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Marshmallow Brownies

Decadent Marshmallow Brownies for Ultimate Chocolate Lovers

Indulge in these Marshmallow Brownies, a dessert that combines rich chocolate and gooey marshmallow fluff.
Print Recipe Pin Recipe
Prep Time 15 minutes
Cook Time 50 minutes
Cooling Time 30 minutes
Total Time 1 hour 35 minutes
Servings: 16 squares
Course: Desserts
Cuisine: American
Calories: 250
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Brownie Batter
  • 1 cup White granulated sugar
  • 3 large Eggs
  • 1 large Egg yolk
  • 1/2 cup Unsalted butter, melted or use salted butter
  • 2 tsp Pure vanilla extract or substitute with almond extract
  • 1/2 cup Canola or vegetable oil or melted coconut oil
  • 3/4 cup All-purpose flour or substitute with gluten-free flour blend
  • 1 cup Unsweetened cocoa powder preferably Dutch-process
  • 1.5 tbsp Cornstarch optional
  • 1/2 tsp Salt
  • 1 cup Semi-sweet chocolate chips or dark chocolate chips
For the Marshmallow Swirl
  • 1 cup Marshmallow fluff or melted marshmallows

Equipment

  • Mixing Bowls
  • electric mixer
  • 9x9-inch baking pan
  • spatula
  • Parchment Paper
  • Microwave-Safe Bowl

Method
 

Step-by-Step Instructions
  1. Preheat the oven to 325°F (160°C) and prepare a 9x9-inch baking pan with non-stick spray and parchment paper.
    Marshmallow Brownies
  2. Sift together the all-purpose flour, cocoa powder, cornstarch, and salt in a medium bowl, then set aside.
    Marshmallow Brownies
  3. In a large bowl, beat together sugar, eggs, and egg yolk with an electric mixer on high speed for about 5 minutes.
    Marshmallow Brownies
  4. Add melted butter, canola oil, and vanilla extract into the egg mixture and mix until smooth.
    Marshmallow Brownies
  5. Gently fold in the sifted dry ingredients into the wet mixture until just combined; then incorporate the chocolate chips.
    Marshmallow Brownies
  6. Spread the brownie batter evenly into the prepared baking pan.
    Marshmallow Brownies
  7. Microwave the marshmallow fluff for 10-15 seconds until slightly melted and dollop onto the batter, swirling with a knife.
    Marshmallow Brownies
  8. Bake for 45-55 minutes, checking for doneness with a toothpick; it should come out with moist crumbs.
    Marshmallow Brownies
  9. Cool in the pan on a wire rack for at least 30 minutes, then cut into squares and serve.
    Marshmallow Brownies

Nutrition

Serving: 1squareCalories: 250kcalCarbohydrates: 30gProtein: 3gFat: 12gSaturated Fat: 7gPolyunsaturated Fat: 1gMonounsaturated Fat: 4gCholesterol: 40mgSodium: 150mgPotassium: 200mgFiber: 1gSugar: 20gVitamin A: 200IUCalcium: 20mgIron: 1.5mg

Notes

For optimal results, avoid overmixing the batter and allow brownies to cool for clean cuts. Store brownies in an airtight container for best freshness.

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