Description
Marshmallow Brownies are the ultimate indulgent dessert, featuring rich, fudgy brownies topped with a layer of gooey marshmallows and finished with a smooth chocolate frosting. This classic American treat is perfect for bake sales, potlucks, holidays, or anytime you’re craving a nostalgic, chocolate-loaded dessert. Each bite delivers a perfect balance of chewy, gooey, and creamy textures that dessert lovers can’t resist.
Ingredients
For the Brownies
- 4 ounces unsweetened chocolate, coarsely chopped
- 10 tablespoons butter, cubed
- 2 cups granulated sugar
- 4 large eggs
- ½ teaspoon kosher salt
- 1 cup all-purpose flour
- 3 cups miniature marshmallows
For the Chocolate Frosting
- ½ cup butter
- ⅓ cup unsweetened cocoa powder
- ⅓ cup milk
- 3½ cups powdered sugar, sifted
Instructions
Brownies
- Preheat oven to 350°F and line a 9×13-inch pan with parchment paper or grease well.
- Melt chocolate and butter together in the microwave in 30-second intervals, stirring until smooth.
- Stir in sugar, eggs, and salt until fully combined.
- Mix in flour just until incorporated.
- Spread batter evenly into prepared pan.
- Bake for 20–25 minutes until the center is just set.
- Sprinkle marshmallows evenly over hot brownies and return to oven for 2 minutes until puffed.
Frosting
- In a saucepan, melt butter, cocoa powder, and milk over medium heat until smooth.
- Remove from heat and whisk in powdered sugar until creamy.
- Pour frosting evenly over marshmallow layer.
- Cool completely before cutting into bars.
Notes
- Serve brownies at room temperature for the best texture.
- For clean slices, lightly grease your knife before cutting.
- Store in an airtight container at room temperature for up to 3 days.
- Refrigerate for up to 5 days if your kitchen is warm.
- Freeze individual brownies for up to 2 months; thaw at room temperature before serving.