Rich Marshmallow Brownies with Gooey Chocolate Layers

Marshmallow Brownies recipe
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Created on August 13th, 2026 at 09:15 pm

Introduction: Marshmallow Brownies

Marshmallow Brownies are the perfect way to indulge in a delightful fusion of rich chocolate and fluffy marshmallows. This irresistible dessert is ideal for those who crave a sweet treat that combines textures and flavors in every bite. Whether you’re a seasoned baker or a novice, this recipe is simple to follow and guarantees delicious results.

The Perfect Blend of Chocolate and Marshmallow

The magic of Marshmallow Brownies lies in the balance between the dense, fudgy brownie base and the light, airy marshmallow topping. The gooey layers of chocolate are complemented by the marshmallow’s sweetness, creating a harmony that is both decadent and satisfying. The combination of these two elements makes for a dessert that is not only visually stunning but also irresistible to taste.

Why You’ll Love This Recipe

This Marshmallow Brownies recipe is easy to make, using simple ingredients that you likely already have in your pantry. The result is a batch of brownies that are perfect for any occasion, from casual family dinners to festive celebrations. The recipe’s simplicity and the delicious outcome make it a favorite among dessert lovers of all ages.

Rich Marshmallow Brownies with Gooey Chocolate Layers

Ingredients

Essential Ingredients for Marshmallow Brownies

To create the perfect Marshmallow Brownies, you’ll need a combination of classic baking ingredients and a few special additions. Here’s what you’ll need:

  • 1 cup unsalted butter
  • 2 cups granulated sugar
  • 4 large eggs
  • 1 teaspoon vanilla extract
  • 1 cup all-purpose flour
  • 1/2 cup cocoa powder
  • 1/2 teaspoon salt
  • 1 teaspoon baking powder
  • 2 cups mini marshmallows
  • 1 cup semi-sweet chocolate chips

Optional Add-ins for Extra Flavor

While the essential ingredients are enough to create delicious Marshmallow Brownies, you can elevate the flavor by adding some of these optional ingredients:

  • 1/2 cup chopped nuts (walnuts or pecans)
  • 1/4 cup caramel sauce for drizzling
  • 1 teaspoon instant espresso powder for a richer chocolate taste
Rich Marshmallow Brownies with Gooey Chocolate Layers Recipe

Step-by-Step Instructions

Preparing the Brownie Batter

Start by preheating your oven to 350°F (175°C). Grease a 9×13-inch baking dish and set it aside. In a large mixing bowl, cream together the unsalted butter and granulated sugar until light and fluffy. Add in the eggs, one at a time, mixing well after each addition. Stir in the vanilla extract. In a separate bowl, sift together the flour, cocoa powder, salt, and baking powder. Gradually add the dry ingredients to the wet ingredients, mixing until just combined.

Layering with Marshmallows

Pour half of the brownie batter into the prepared baking dish, spreading it evenly. Sprinkle the mini marshmallows over the batter, followed by the chocolate chips. Pour the remaining batter over the top, spreading it gently to cover the marshmallows and chocolate chips completely.

Baking to Perfection

Place the baking dish in the preheated oven and bake for 35-40 minutes, or until a toothpick inserted into the center comes out with a few moist crumbs. Be careful not to overbake, as you want the brownies to remain fudgy. Once baked, remove from the oven and allow the brownies to cool in the pan for at least 20 minutes before slicing and serving.

Pro Tips

Creating the perfect Marshmallow Brownies is simple with a few expert tips. These suggestions will help you achieve that ideal gooey texture and rich flavor:

  • Use room temperature ingredients for a smoother batter.
  • Do not overmix the batter once the dry ingredients are added, as this can lead to dense brownies.
  • For an extra gooey texture, slightly underbake the brownies by a few minutes.
  • Allow the brownies to cool completely before cutting to ensure clean slices.

The most important tip is to enjoy the process and have fun experimenting with different add-ins and toppings. Adding your personal touch can make these brownies even more special.

Serving Suggestions

Pairing with Ice Cream

These Marshmallow Brownies are a match made in heaven when paired with a scoop of vanilla ice cream. The cold, creamy texture of the ice cream complements the warm, gooey brownies perfectly, creating a dessert experience that is both comforting and indulgent.

Perfect Occasions for Marshmallow Brownies

Marshmallow Brownies are versatile and can be served at various gatherings. They are a hit at birthday parties, holiday celebrations, and casual get-togethers. Their rich flavor and appealing presentation make them a standout dessert for any occasion. For a different brownie experience, you might also try our Rocky Road Brownies.

Nutritional Information

Calories and Serving Size

Each serving of these Marshmallow Brownies contains approximately 320 calories. This makes them a hearty dessert option that satisfies your sweet tooth without going overboard. The serving size is one slice, which is perfect for a single indulgence.

Nutritional Breakdown

In addition to calories, each slice of Marshmallow Brownies contains 48 grams of carbohydrates, 5 grams of protein, 13 grams of fat, and 7 grams of saturated fat. They also provide 2 grams of fiber and 28 grams of sugar, making them a sweet treat to be enjoyed in moderation. If you’re looking for a fruity twist, consider our Raspberry Brownies.

Rich Marshmallow Brownies with Gooey Chocolate Layers

Marshmallow Brownies recipe

Rich Marshmallow Brownies with Gooey Chocolate Layers

Emma F., smiling female cake chef wearing a pastel pink apron in a cozy kitchenEmma F.
These Marshmallow Brownies are a delectable treat with layers of gooey chocolate and fluffy marshmallows. Perfect for dessert lovers!
Prep Time 20 minutes
Cook Time 50 minutes
Total Time 1 hour 10 minutes
Course Dessert
Cuisine American
Servings 8 slices
Calories 320 kcal

Equipment

  • 1 9×13-inch baking dish greased
  • 1 Mixing Bowl large
  • 1 electric mixer

Ingredients
  

Dry Ingredients

  • 1 cup all-purpose flour
  • 1/2 cup cocoa powder
  • 1/2 teaspoon salt
  • 1 teaspoon baking powder

Wet Ingredients

  • 1 cup unsalted butter
  • 2 cups granulated sugar
  • 4 large eggs
  • 1 teaspoon vanilla extract

Toppings

  • 2 cups mini marshmallows
  • 1 cup semi-sweet chocolate chips

Instructions
 

Preparation

  • Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking dish and set it aside.
  • In a large mixing bowl, cream together the butter and sugar until light and fluffy. Add the eggs one at a time, mixing well after each addition. Stir in the vanilla extract.
  • In a separate bowl, sift together the flour, cocoa powder, salt, and baking powder. Gradually add the dry ingredients to the wet mixture, stirring until just combined.
  • Pour half of the brownie batter into the prepared baking dish. Sprinkle the marshmallows and chocolate chips evenly over the batter. Pour the remaining batter over the top, spreading it gently to cover the marshmallows and chocolate chips completely.
  • Bake in the preheated oven for 35-40 minutes or until a toothpick inserted in the center comes out with a few moist crumbs. Do not overbake.

Serving

  • Allow the brownies to cool in the pan for at least 20 minutes before slicing. Serve warm or at room temperature, ideally with a scoop of vanilla ice cream.

Storage

  • Store any leftover brownies in an airtight container at room temperature for up to 3 days. For longer storage, freeze the brownies for up to 2 months.

Notes

Pro Tips: Use room temperature ingredients for a smoother batter. Do not overmix after adding dry ingredients. Slightly underbake for gooey brownies. Cool completely before cutting for clean slices.
Ingredient Substitutions: Use dark chocolate chips for a deeper chocolate flavor. Substitute coconut oil for butter for a different texture.
How to Serve: Best served warm with a scoop of vanilla ice cream or a dollop of whipped cream.
Storage & Freshness: Keep in an airtight container for up to 3 days at room temperature or freeze for up to 2 months.
Make-Ahead Tips: Prepare the batter in advance and freeze before baking. Thaw and bake when ready to serve.
Keyword chocolate marshmallow dessert, gooey brownies, Marshmallow Brownies

FAQ

Can I use large marshmallows instead of mini marshmallows?

Yes, you can use large marshmallows if mini marshmallows are unavailable. Simply chop the large marshmallows into smaller pieces before adding them to the brownie batter. This will help them distribute evenly throughout the brownies and ensure they melt properly during baking.

How can I make these brownies gluten-free?

To make gluten-free Marshmallow Brownies, replace the all-purpose flour with a gluten-free flour blend that is suitable for baking. Ensure that the blend contains xanthan gum or a similar binding agent to mimic the texture of traditional flour. Always check the labels of other ingredients, such as cocoa powder and marshmallows, to verify they are gluten-free.

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