If you love the rich decadence of a classic brownie but crave something extra, these Marshmallow Brownies are the ultimate indulgence. Each bite delivers a perfect combination of fudgy chocolate, gooey marshmallow, and a soft, chewy texture that melts in your mouth.
This easy-to-follow recipe transforms ordinary brownies into a dessert masterpiece — perfect for family gatherings, bake sales, or simply treating yourself after a long day.
Ingredients
Makes 12–16 brownies
For the Brownie Base
- 1 cup (225g) unsalted butter
- 2 cups (400g) granulated sugar
- 4 large eggs
- 1 teaspoon vanilla extract
- 1 cup (120g) all-purpose flour
- 3/4 cup (75g) unsweetened cocoa powder
- 1/2 teaspoon salt
- 1/2 teaspoon baking powder
For the Marshmallow Layer
- 3 cups (150g) mini marshmallows
For the Chocolate Topping
- 1 cup (170g) semi-sweet chocolate chips
- 1/4 cup (60g) unsalted butter
- 2 tablespoons milk
Preparation Time
- Prep time: 15 minutes
- Baking time: 30 minutes
- Cooling time: 1 hour
- Total time: About 1 hour, 45 minutes
Step-by-Step Instructions
Step 1: Preheat and Prepare
- Preheat oven to 350°F (175°C).
- Line a 9×13-inch baking pan with parchment paper or grease lightly with butter.
Step 2: Make the Brownie Batter
- In a saucepan, melt butter over low heat. Remove from heat and whisk in sugar until smooth.
- Add eggs one at a time, whisking after each addition. Stir in vanilla extract.
- In a separate bowl, combine flour, cocoa powder, salt, and baking powder.
- Gradually fold dry ingredients into the butter mixture until fully combined.
Step 3: Bake the Brownies
- Pour the batter into the prepared pan and smooth the top.
- Bake for 25–30 minutes or until a toothpick inserted in the center comes out with moist crumbs.
Step 4: Add the Marshmallows
- Immediately after baking, sprinkle mini marshmallows evenly over the hot brownies.
- Return the pan to the oven for 2–3 minutes until the marshmallows begin to puff and melt slightly.
- Remove and let cool for 15 minutes.
Step 5: Make the Chocolate Topping
- In a small saucepan, melt butter, chocolate chips, and milk over low heat until smooth.
- Drizzle the mixture over the marshmallow layer, spreading evenly with a spatula.
Step 6: Chill and Serve
- Allow brownies to cool completely before cutting.
- For clean slices, refrigerate for 30 minutes before serving.
Serving Suggestions
- Top with crushed nuts or chocolate shavings for extra texture.
- Serve warm with a scoop of vanilla ice cream for the ultimate dessert experience.
- For a festive touch, sprinkle colored mini marshmallows or candy bits on top.
Nutritional Highlights
| Nutrient | Per Serving (1 brownie) |
|---|---|
| Calories | 280 |
| Protein | 3 grams |
| Total Fat | 14 grams |
| Saturated Fat | 8 grams |
| Carbohydrates | 36 grams |
| Sugars | 28 grams |
| Fiber | 2 grams |
| Sodium | 95 milligrams |
Nutritional Notes:
- Marshmallows add a fun, gooey texture and sweetness that balances the rich chocolate base.
- Cocoa powder provides antioxidants and deep chocolate flavor.
- Butter and eggs create a tender, fudgy crumb for the perfect brownie texture.
Tips for Perfect Marshmallow Brownies
- Avoid overbaking — brownies should be slightly underdone for fudginess.
- Let the marshmallow layer cool before adding the chocolate topping to prevent melting.
- Store leftovers in an airtight container at room temperature for up to 3 days or refrigerate for up to 5 days.
- For an extra flavor boost, add a teaspoon of espresso powder to the brownie batter.
Variations to Try
- Peanut Butter Swirl: Add a few dollops of peanut butter before baking and swirl through the batter.
- Rocky Road Brownies: Mix in chopped nuts and chocolate chunks with the marshmallows.
- Mint Marshmallow Brownies: Add a few drops of peppermint extract to the topping for a cool twist.
These Marshmallow Brownies are the perfect balance of rich chocolate, chewy marshmallows, and smooth topping — an irresistible dessert for any occasion. Whether you’re baking for a party or a cozy night in, this recipe guarantees gooey, fudgy satisfaction in every bite.
Homemade, comforting, and oh-so-decadent, these brownies will quickly become a favorite in your dessert rotation.