Servings
Font
Back
4.9 from 141 votes

Marshmallow Brownie

The most decadent brownie I have had. It's topped with a thick marshmallowy layer and then drizzled with more chocolate.

Prep Time
25 mins
Cook Time
25 mins
Total Time
1 hr 5 mins
Servings: 10
Calories: 370 kcal
Course: Dessert
Cuisine: American

Ingredients

INGREDIENTS:
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

Instructions

INSTRUCTIONS:
For the Brownie:
    Cup of Yum
  1. Preheat the oven to 350 degrees F and prep a 9x13-inch baking pan with parchment paper.
  2. In a bowl, combine eggs and sugar. Mix together.
  3. Sift cocoa powder, flour, baking powder and salt into a separate bowl. Mix again.
  4. Combine with egg and sugar mixture.
  5. Toss in chocolate chips and melted butter.
  6. Add batter to pan and smooth.
  7. Bake for about 30 minutes.
For the Marshmallow:
  1. Beat the egg whites and 2/3 cup of sugar until soft peaks form. Add cream of tartar if using.
  2. In a medium saucepan add the remaining sugar, 2/3 cup water and corn syrup, then place on low heat.
  3. Stir until the sugar melts and becomes clear.
  4. Maintain at medium high heat until temperature reads 235-240F.
  5. Drizzle the sugar into the mixer immediately.
  6. Add vanilla and run mixer until marshmallow is cool/tepid. 
For the Assembly:
  1. Melt 1/3 cup semi sweet chocolate and about 2 tablespoons of cream together. Set aside.
  2. Once the brownie has cooled, pile the marshmallow fluff on and smooth it out using a spatula. 
  3. Pipe the chocolate ganache all over the top and use a toothpick or skewer to create a more marbleized pattern of swirls. 

Notes

  • Recipe adapted from www.frederikkewaerens.com

Nutrition Information

Serving 1g Calories 370kcal (19%) Carbohydrates 67g (22%) Protein 7g (14%) Fat 13.7g (21%) Saturated Fat 3g (15%) Polyunsaturated Fat 5.2g Monounsaturated Fat 4g Cholesterol 31mg (10%) Sodium 223mg (9%) Potassium 318mg (9%) Fiber 4g (16%) Sugar 47g (94%) Vitamin A 50IU (1%) Calcium 70mg (7%) Iron 2.8mg (16%)

Nutrition Facts

Serving: 10Serving

Amount Per Serving

Calories 370

% Daily Value*

Serving 1g
Calories 370kcal 19%
Carbohydrates 67g 22%
Protein 7g 14%
Fat 13.7g 21%
Saturated Fat 3g 15%
Polyunsaturated Fat 5.2g 31%
Monounsaturated Fat 4g 20%
Cholesterol 31mg 10%
Sodium 223mg 9%
Potassium 318mg 7%
Fiber 4g 16%
Sugar 47g 94%
Vitamin A 50IU 1%
Calcium 70mg 7%
Iron 2.8mg 16%

* Percent Daily Values are based on a 2,000 calorie diet.