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Marshmallow Brownie

Marshmallow Brownie

The most decadent brownie I have had. It's topped with a thick marshmallowy layer and then drizzled with more chocolate.
Course Dessert
Cuisine American
Prep Time 25 minutes
Cook Time 30 minutes
Total Time 1 hour 5 minutes
Servings 10
Calories 370kcal



    For the Marshmallow:

    • 8 egg whites room temperature
    • 1/2 cup water 120ml
    • 2 2/3 cups sugar 550g, divided
    • 1/4 cup light corn syrup 60mL
    • 2 tsp vanilla extract 10mL

    For the Brownie:

    • 2 cups granulated sugar 400g
    • 2 eggs
    • 4 tablespoons cocoa powder 30g
    • 1 cup flour 120g
    • 1 teaspoon baking powder 4g
    • 2 teaspoon salt 12g
    • 2 cup dark chocolate chips 350g
    • 1 cup melted butter 225g

    For the Chocolate Swirls

    • 2/3 cup semisweet chocolate 115g
    • 4 tbsp heavy cream 60mL
    • 1/4 tsp cream of tartar optional



      For the Brownie:

      • Preheat the oven to 350 degrees F and prep a 9x13-inch baking pan with parchment paper.
      • In a bowl, combine eggs and sugar. Mix together.
      • Sift cocoa powder, flour, baking powder and salt into a separate bowl. Mix again.
      • Combine with egg and sugar mixture.
      • Toss in chocolate chips and melted butter.
      • Add batter to pan and smooth.
      • Bake for about 30 minutes.

      For the Marshmallow:

      • Beat the egg whites and 2/3 cup of sugar until soft peaks form. Add cream of tartar if using.
      • In a medium saucepan add the remaining sugar, 2/3 cup water and corn syrup, then place on low heat.
      • Stir until the sugar melts and becomes clear.
      • Maintain at medium high heat until temperature reads 235-240F.
      • Drizzle the sugar into the mixer immediately.
      • Add vanilla and run mixer until marshmallow is cool/tepid. 

      For the Assembly:

      • Melt 1/3 cup semi sweet chocolate and about 2 tablespoons of cream together. Set aside.
      • Once the brownie has cooled, pile the marshmallow fluff on and smooth it out using a spatula. 
      • Pipe the chocolate ganache all over the top and use a toothpick or skewer to create a more marbleized pattern of swirls. 



      Recipe adapted from www.frederikkewaerens.com


      Serving: 1g | Calories: 370kcal | Carbohydrates: 67g | Protein: 7g | Fat: 13.7g | Saturated Fat: 3g | Polyunsaturated Fat: 5.2g | Monounsaturated Fat: 4g | Cholesterol: 31mg | Sodium: 223mg | Potassium: 318mg | Fiber: 4g | Sugar: 47g | Vitamin A: 50IU | Calcium: 70mg | Iron: 2.8mg