Welcome to the ultimate guide for creating the most delightful and undeniably addictive **Disappearing Marshmallow Brownies**! This beloved recipe, a treasured gem often found in classic church cookbooks, brings together a symphony of flavors and textures that promises to be a memorable treat for any occasion. Imagine rich, fudgy chocolate, a hint of sweet butterscotch, and pockets of warm, gooey marshmallow all baked into a perfectly chewy brownie. It’s a dessert that truly lives up to its name, not just because the marshmallows magically melt into the batter, but because the brownies themselves vanish almost as soon as they’re served.
These aren’t just any brownies; they’re a celebration in every bite. They strike a harmonious balance between a classic intensely chocolatey brownie and a nuanced blondie, thanks to the subtle yet distinct addition of butterscotch chips. Each piece offers a soft, sticky, and wonderfully sweet experience that will leave you reaching for just one more. This recipe has a long-standing reputation for being a crowd-pleaser, and once you try them, you’ll understand why they’ve earned their place in so many family recipe collections.

Why You’ll Love This Irresistible Brownie Recipe
There are countless reasons to fall in love with these marshmallow-studded delights, making them a perfect addition to your baking repertoire. Here’s why these brownies will quickly become a favorite in your home:
- Effortlessly Simple & Quick: Don’t let their decadent taste fool you; these brownies are remarkably easy to prepare. With readily available ingredients and a prep time of under 10 minutes, you can have a batch in the oven in no time, making them ideal for impromptu cravings or last-minute dessert needs.
- Guaranteed Crowd-Pleaser: Whether you’re bringing them to a potluck, a family gathering, or simply sharing them with loved ones at home, prepare for rave reviews. These brownies have an uncanny ability to disappear rapidly, testament to their universal appeal and addictive flavor profile.
- Unforgettable Flavor Combination: What could be better than the classic pairing of chocolate and marshmallow? Add a generous hint of butterscotch, and you elevate the experience to something truly extraordinary. The melt-in-your-mouth marshmallows create pockets of gooey sweetness, perfectly complemented by the rich chocolate and the buttery, caramel-like notes of butterscotch.
- Perfectly Chewy Texture: Achieving the ideal brownie texture can be a quest for many bakers. This recipe delivers a wonderfully moist and chewy brownie that maintains its integrity while still being incredibly tender. The brown sugar plays a crucial role in creating that desirable fudgy consistency.
- Nostalgic Comfort: For many, these brownies evoke a sense of nostalgia, reminiscent of homemade treats from childhood or community events. They carry the warmth and comfort of a classic, well-loved recipe that has stood the test of time.

Essential Ingredients for Disappearing Marshmallow Brownies
The magic of these brownies lies in a straightforward list of ingredients, each playing a vital role in creating their unique flavor and texture. You won’t need anything exotic or hard to find, just simple pantry staples that come together beautifully. Here’s a closer look at what you’ll need and why each component is important:
- Baking Chips (Butterscotch & Chocolate): These are the stars of the show! Butterscotch chips are melted with butter to form the rich base of the brownies, lending a distinctive, buttery, and slightly caramel-like flavor that makes these brownies stand out. Chocolate chips are folded into the batter later, adding delightful pockets of melted chocolate and a lovely textural contrast. You can use semi-sweet, milk, or dark chocolate chips depending on your preference.
- Unsalted Butter: The foundation of any good brownie, butter provides richness and moisture. Using unsalted butter allows you to control the overall saltiness of the recipe, ensuring your brownies are perfectly balanced in flavor.
- Vanilla Extract: A touch of vanilla is crucial for enhancing the overall sweetness and adding depth of flavor. It complements both the chocolate and butterscotch beautifully, creating a more complex and inviting aroma.
- Egg: Just one large egg is all it takes to bind the ingredients together, providing structure and contributing to the moist, chewy texture we all love in a brownie.
- All-Purpose Flour: This provides the necessary structure for the brownies, preventing them from being too dense or crumbly. For best results, measure your flour correctly to avoid a cake-like texture (more on that in our tips section!).
- Brown Sugar (Packed): Brown sugar is key to achieving that signature chewy and moist brownie texture. Its molasses content adds a deeper, more caramel-like sweetness compared to white sugar, which perfectly harmonizes with the butterscotch. Remember to pack it firmly into your measuring cup.
- Baking Powder: A small amount of baking powder helps to give the brownies a slight lift, ensuring they aren’t overly flat or dense, while still maintaining their characteristic fudginess.
- Salt: A pinch of salt is essential to balance the sweetness of the other ingredients and to enhance all the flavors, making them pop. It prevents the brownies from tasting one-dimensionally sweet.
- Mini Marshmallows: The eponymous “disappearing” ingredient! These tiny delights melt into the batter as the brownies bake, creating wonderful, gooey pockets of sweet, stretchy deliciousness throughout. Their transformation is truly magical and contributes significantly to the unique appeal of this recipe.

How to Create Disappearing Marshmallow Brownies: A Step-by-Step Guide
Baking these delightful brownies is a simple and rewarding process. Follow these easy steps to achieve a perfectly gooey and chewy batch every time:
- Preparation is Key: Begin by preheating your oven to 350°F (175°C). Next, take a 9-inch square baking pan and grease it thoroughly. You can use cooking spray or butter, ensuring that the entire interior surface is coated to prevent sticking and allow for easy removal of your baked brownies.
- Melt the Rich Base: In a large, heavy-bottomed saucepan, combine the butterscotch chips and the unsalted butter. Place the saucepan over medium-low heat. It’s crucial to melt this mixture slowly and gently, stirring frequently with a spatula or wooden spoon to prevent scorching. Continue until the chips and butter are completely melted and smooth, forming a glossy, fragrant base. Once melted, remove the saucepan from the heat and allow the mixture to cool slightly for a few minutes. This prevents the egg from cooking when added.
- Combine Wet Ingredients: Once the butterscotch-butter mixture has cooled slightly (it should still be warm but not hot), crack in the large egg and add the vanilla extract. Stir vigorously until all ingredients are well combined and smooth. The mixture should be uniform in color and texture.
- Incorporate Dry Ingredients: Now, add the all-purpose flour, packed brown sugar, baking powder, and salt directly into the saucepan with the wet ingredients. Stir gently, just until the dry ingredients are fully incorporated and no streaks of flour remain. Be careful not to overmix the batter at this stage, as overmixing can lead to a tougher, more cake-like brownie.
- Fold in the Marshmallows and Chocolate Chips: Once your batter is ready, gently fold in the mini marshmallows and chocolate chips. Use a spatula to carefully combine them, ensuring they are evenly distributed throughout the batter. The marshmallows will be a bit sticky, but keep folding until they are integrated.
- Bake to Perfection: Pour the prepared brownie batter into your greased 9-inch square baking pan, spreading it evenly with your spatula. Place the pan in the preheated oven and bake for approximately 25 minutes. The brownies are ready when the edges are set and lightly golden brown, but the center still appears slightly soft and gooey. This indicates a perfectly fudgy brownie interior.
- Cool and Serve: Once baked, remove the brownies from the oven. Resist the urge to cut into them immediately! Allowing them to cool completely in the pan is essential for achieving clean, neat slices and allowing the flavors and textures to fully set. Once cooled, cut into squares and enjoy your spectacular Disappearing Marshmallow Brownies!

Perfect Pairings: What to Serve with Disappearing Marshmallow Brownies
These brownies are undeniably satisfying on their own, especially when enjoyed fresh and still slightly warm from the oven. However, if you’re looking to elevate the experience and add an extra layer of indulgence, there are several wonderful accompaniments that pair beautifully with their rich, gooey goodness:
- A Scoop of Vanilla Ice Cream: The classic pairing that never disappoints. A cold, creamy scoop of homemade vanilla ice cream provides a delightful contrast to the warm, fudgy brownie. The melting ice cream creates a luscious sauce that intertwines with the marshmallow and chocolate for an truly decadent experience.
- Drizzle of Hot Fudge Sauce: For serious chocolate lovers, a generous drizzle of warm hot fudge sauce takes these brownies over the top. The extra layer of chocolatey richness enhances the brownie’s own deep flavor and adds another dimension of indulgence.
- Caramel Sauce: If you enjoy the interplay of sweet and salty, a warm caramel sauce is an exquisite choice. Its buttery, rich notes complement the butterscotch in the brownies beautifully, creating an even more complex and irresistible flavor profile. A sprinkle of sea salt on top can further enhance this combination.
- Fresh Berries: For a lighter, brighter contrast, consider serving the brownies with a handful of fresh raspberries or sliced strawberries. The tartness of the fruit cuts through the richness of the brownies, offering a refreshing counterpoint.
- A Glass of Cold Milk: Sometimes, the simplest pairings are the best. A tall, cold glass of milk is the perfect beverage to accompany these rich brownies, offering a refreshing cleanse for the palate between bites.
- Coffee or Espresso: For an adult indulgence, serve these brownies alongside a cup of freshly brewed coffee or a shot of espresso. The robust, slightly bitter notes of coffee provide a wonderful balance to the brownies’ sweetness.
Expert Tips & Tricks for Flawless Brownies
While this recipe is straightforward, a few expert tips can ensure your Disappearing Marshmallow Brownies turn out perfectly every time, achieving that ideal balance of fudgy, chewy, and gooey:
- Always Grease Your Baking Pan Properly: A well-greased pan is your best friend when baking brownies. Apply a light but thorough layer of cooking spray or butter to the bottom and sides of your square baking pan. For an even easier cleanup and removal, consider lining the pan with parchment paper, leaving an overhang on two sides to create “handles.” This allows you to lift the entire slab of cooled brownies out before slicing.
- Mind the Butterscotch Melting Process: When melting the butterscotch chips and butter, keep a close eye on the saucepan and stir frequently. Butterscotch chips can burn quickly if left unattended or if the heat is too high. Medium-low heat is ideal for a gradual, smooth melt. A smooth, creamy base is essential for the brownie’s texture.
- Mastering the Doneness Test: The key to fudgy brownies is knowing when to take them out of the oven. Look for edges that are set and just beginning to turn golden brown. The very center should still look slightly moist and perhaps jiggle a tiny bit when gently shaken. Brownies continue to cook and set as they cool in the hot pan, so pulling them out when they’re *just* shy of fully cooked will yield that desirable super chewy, fudgy center. An inserted toothpick should come out with moist crumbs, not wet batter, and not completely clean.
- Patience is a Virtue: Cool Before Cutting: We know it’s tempting to dive into warm brownies, but for perfectly clean and neat slices, it’s crucial to let them cool completely. As they cool, the brownies firm up, making them much easier to cut without tearing or crumbling. This also allows the marshmallows to fully set into their gooey pockets.
- Don’t Overmix the Batter: After adding the dry ingredients, mix just until combined. Overmixing develops the gluten in the flour, which can lead to tough, dense, or cake-like brownies instead of the desired fudgy texture.
- Measure Flour Accurately: For baking, especially brownies, accurate flour measurement is vital. Avoid scooping flour directly from the bag with your measuring cup, as this compacts it. Instead, spoon the flour into your measuring cup and then level it off with the back of a knife or a straight edge. This method prevents adding too much flour, which can lead to dry or cakey brownies.
Creative Variations and Delicious Substitutions
One of the best things about a classic recipe like Disappearing Marshmallow Brownies is its versatility. Once you’ve mastered the basic recipe, feel free to experiment with these delicious variations and substitutions to make them uniquely yours:
- Embrace the Nuts: If you’re a fan of a little crunch in your brownies, adding ½ cup of chopped walnuts or pecans is an excellent idea. The nutty texture provides a fantastic contrast to the gooey sweetness of the marshmallows and chocolate. Toasting the nuts lightly before adding them can enhance their flavor even further.
- Explore Other Baking Chips: While butterscotch is a signature flavor here, don’t hesitate to get creative with other chip varieties.
- Peanut Butter Chips: Substitute half or all of the butterscotch chips with peanut butter chips for a delicious peanut butter-chocolate-marshmallow dream.
- White Chocolate Chips: For a sweeter, creamier note, try white chocolate chips in place of the chocolate chips, or even combine them.
- Mint Chips: During the holidays, mint chocolate chips can add a festive and refreshing twist.
- Toffee Bits: Mix in some toffee bits for an extra layer of buttery, crunchy caramel flavor.
- Add a Swirl of Flavor: Before baking, swirl a tablespoon or two of peanut butter, Nutella, or even a fruit preserve (like raspberry) into the top of the brownie batter for an extra layer of flavor and visual appeal.
- Different Extracts: Beyond vanilla, a few drops of almond extract, peppermint extract, or even a hint of coffee extract (espresso powder) can deepen or alter the flavor profile of your brownies. Start with a small amount and adjust to taste.
- Top with a Glaze: Once cooled, a simple powdered sugar glaze, chocolate ganache, or a salted caramel drizzle can add an extra touch of elegance and flavor.
- Candy Bar Mix-Ins: Chop up your favorite candy bars (like Snickers, Milky Way, or Reese’s Peanut Butter Cups) and fold them into the batter along with the marshmallows and chocolate chips for an extra-indulgent treat.

Storage and Freezing Instructions
To ensure your Disappearing Marshmallow Brownies stay fresh and delicious for as long as possible, proper storage is key. Whether you plan to enjoy them over a few days or save them for a future craving, here’s how to store them effectively:
Room Temperature Storage
For short-term storage, brownies are best kept at room temperature. The moisture from the marshmallows and brown sugar helps them stay soft and chewy.
- Sliced Brownies: If you’ve already cut your brownies into individual squares, place them in an airtight container. They will remain fresh and delightful for up to 2 days. To prevent them from sticking together, you can place a piece of parchment paper between layers.
- Uncut Brownies: For slightly longer freshness, consider leaving the brownies uncut in the baking pan after they’ve cooled completely. Cover the pan tightly with aluminum foil or plastic wrap. Stored this way, they can last for 3-4 days at room temperature. Cutting them only as needed helps to retain moisture.
Can You Freeze Disappearing Marshmallow Brownies?
Absolutely! Brownies freeze wonderfully, making them perfect for meal prepping desserts or saving for unexpected guests.
- Preparation for Freezing: Ensure the brownies are completely cooled before freezing. Warm brownies will create condensation, leading to ice crystals and potential freezer burn.
- Wrap Tightly: Once cooled, you have a couple of options. You can cut them into individual squares, or freeze them as a whole slab.
- For individual squares: Wrap each brownie tightly in plastic wrap, then place them in a freezer-safe airtight container or a heavy-duty freezer bag.
- For a slab: Wrap the entire cooled slab of brownies tightly in several layers of plastic wrap, followed by a layer of aluminum foil. This double layer provides maximum protection against freezer burn.
- Freezer Lifespan: Properly wrapped and stored, Disappearing Marshmallow Brownies can last in the freezer for up to 3 months.
- Thawing Instructions: When you’re ready to enjoy them, simply transfer the desired amount of brownies (still wrapped) from the freezer to the countertop to thaw at room temperature. This usually takes a few hours for individual brownies or longer for a whole slab. Once thawed, unwrap, cut into squares if needed, and serve. You can even warm them slightly in the microwave for a few seconds for that fresh-out-of-the-oven feel.
Common Brownie Baking Questions & Troubleshooting
Even experienced bakers can sometimes encounter issues with brownies. Here are answers to some common questions and troubleshooting tips to ensure your brownies are always a success:
Why Do My Brownies Sink in the Middle?
A sunken center can be disappointing, but it’s often an easy fix. Here are the main culprits:
- Underbaking: This is the most common reason. Sometimes, brownies just need a few more minutes in the oven to set properly. If the center looks very wet and liquid-like, it likely needs more time. Trust the doneness test (set edges, slightly jiggly center) over strict timing, as oven temperatures can vary.
- Overmixing the Batter: When you overmix brownie batter, you incorporate too much air. This excess air causes the brownies to rise significantly during baking, creating a light, airy structure. However, as they cool, this delicate structure collapses, leading to a sunken middle. Mix only until the ingredients are just combined.
- Opening the Oven Door Too Early: Resist the urge to frequently check on your brownies by opening the oven door, especially in the first 15-20 minutes. A sudden drop in temperature can cause the rising batter to deflate and sink.
Why Do My Brownies Taste Like Cake?
If your brownies have a light, airy, and crumbly texture reminiscent of cake rather than a dense, fudgy one, the issue usually stems from the ratio of wet to dry ingredients or how they were mixed:
- Over-Measured Flour: The most frequent cause of cakey brownies is simply using too much flour. Excess flour absorbs too much moisture, creating a drier, cake-like crumb. To prevent this, always spoon your flour into the measuring cup and level it off with a straight edge. Never scoop directly from the bag.
- Overmixing: As mentioned above, overmixing develops gluten and incorporates air, leading to a lighter, more cake-like texture. Mix just until the ingredients are combined.
- Too Much Leavening (Baking Powder): While a little baking powder is good, too much can cause the brownies to rise excessively, resulting in an airy, cakey crumb. Ensure you’re measuring leavening agents accurately.
- Insufficient Fat: A rich, fudgy brownie relies on a good amount of fat (butter or oil). If the fat content is too low, the brownies may lean towards a cakey texture. This recipe has a balanced fat content, so stick to the measurements.
How Do I Know When My Brownies Are Done?
Knowing when brownies are perfectly baked is a skill. Look for these indicators:
- Edges are Set: The edges of the brownies should be visibly set and appear slightly puffed up and lightly golden brown.
- Center is Slightly Undone/Jiggly: The very center (about a 2-inch square) should still look slightly moist and might jiggle just a little when you gently shake the pan. It shouldn’t be completely liquid, but not firm either.
- Toothpick Test: Insert a toothpick into the center of the brownies. If it comes out with moist crumbs attached (not wet batter), they are done. If it comes out completely clean, they might be slightly overbaked, but still delicious!
Can I Use a Different Size Baking Pan?
While a 9-inch square pan is recommended for this recipe’s thickness and baking time, you can adjust:
- 8-inch Square Pan: This will result in thicker brownies, requiring a slightly longer baking time (perhaps 5-10 minutes more). Keep a close eye on them.
- 13×9-inch Rectangular Pan: This will produce thinner brownies, which will bake faster (reduce baking time by 5-10 minutes). They might also be less chewy.
Regardless of the pan size, always follow the doneness test rather than strictly adhering to the recommended baking time.

Disappearing Marshmallow Brownies
Created by Stacie Vaughan
Servings: 12
Prep Time: 10 minutes
Cook Time: 25 minutes
Total Time: 35 minutes
A sweet church cookbook brownie recipe filled with chocolate, butterscotch and marshmallows. Each bite is pure decadence.
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Ingredients
- ½ cup butterscotch chips
- ¼ cup unsalted butter
- ½ tsp vanilla extract
- 1 large egg
- ¾ cup all-purpose flour
- ⅓ cup brown sugar packed
- 1 tsp baking powder
- ¼ tsp salt
- 1 cup mini marshmallows
- 1 cup chocolate chips
Instructions
- Preheat oven to 350°F (175°C). Grease a 9-inch square baking pan.
- Add butterscotch chips and butter in large saucepan over medium-low heat. Melt, stirring frequently. Remove from heat. Cool slightly.
- Add egg and vanilla to the saucepan and stir to combine. Add flour, brown sugar, baking powder and salt and stir to combine.
- Fold in marshmallows and chocolate chips. Spread mixture into baking pan.
- Bake for 25 minutes. Let cool completely before cutting.
Nutrition
The information shown is an estimate provided by an online nutrition calculator. It should not be considered a substitute for a professional nutritionist’s advice.
- Serving: 1g
- Calories: 209kcal
- Carbohydrates: 28g
- Protein: 2g
- Fat: 11g
- Saturated Fat: 7g
- Polyunsaturated Fat: 3g
- Cholesterol: 26mg
- Sodium: 138mg
- Fiber: 1g
- Sugar: 20g
Course: Desserts
Cuisine: American
Keyword: brownies
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More Decadent Brownie Recipes to Indulge In
If these Disappearing Marshmallow Brownies have sparked a craving for more chocolatey delights, you’re in luck! There’s a whole world of brownie variations to explore, each offering a unique twist on this classic dessert. From fruity combinations to rich, nutty creations, here are some other fantastic brownie recipes that are sure to satisfy your sweet tooth:
- Banana Split Brownies
- Peanut Butter Cheesecake Brownies
- Chocolate Raspberry Brownies
- Reese’s Stuffed Brownies
- Caramel Bacon Brownies
- Snickers Brownies
- Tiramisu Brownies
- Cherry Chocolate Brownies
- Peanut Butter Brownie Cupcakes
- Brownie Cheesecake Cups
- Salted Caramel Brownies
You might also enjoy these related treats: Brownie Mix Cookies and Magic Cookie Bars.
I hope you thoroughly enjoy baking and devouring these incredible Disappearing Marshmallow Brownies. They are more than just a dessert; they are a delightful experience that brings joy with every fudgy, marshmallow-filled bite. Don’t forget to share your creations and connect with other baking enthusiasts!
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