Go Back
–+ servings
Marshmallow Brownies

Indulge in Decadent Marshmallow Brownies You’ll Crave

These Marshmallow Brownies combine rich chocolate and gooey marshmallows for an irresistible dessert.
Print Recipe Pin Recipe
Prep Time 20 minutes
Cook Time 50 minutes
Cooling Time 30 minutes
Total Time 1 hour 40 minutes
Servings: 12 brownies
Course: Desserts
Cuisine: American
Calories: 250
Ingredients Equipment Method Nutrition Notes

Ingredients
  

Marshmallow Brownie Ingredients
  • 1 cup White Granulated Sugar Provides sweetness and moisture
  • 2 large Eggs Essential for structure
  • 1 large Egg Yolk Enhances richness
  • 1/2 cup Unsalted Butter (melted) Adds richness
  • 1 tsp Pure Vanilla Extract Elevates flavor
  • 1/4 cup Oil (canola or vegetable) Contributes to moisture
  • 1 cup All-Purpose Flour Gives structure
  • 1/3 cup Unsweetened Cocoa Powder (Dutch process) Provides deep chocolate flavor
  • 1 tbsp Cornstarch Helps achieve a chewy texture
  • 1/4 tsp Salt Balances flavor
  • 1 cup Semi-Sweet Chocolate Chips Adds chocolate bursts
Marshmallow Swirl Ingredients
  • 1 cup Marshmallow Crème Creates iconic marshmallow swirl

Equipment

  • 9x9-inch baking pan
  • Mixing Bowls
  • Electric Mixer
  • Spatula
  • Knife

Method
 

Step-by-Step Instructions
  1. Preheat your oven to 325°F (163°C). Spray a 9x9-inch baking pan with non-stick cooking spray and line with parchment paper.
  2. In a medium bowl, sift together flour, cocoa powder, cornstarch, and salt and set aside.
  3. In a large mixing bowl, beat sugar, eggs, and egg yolk for about 5 minutes until pale and fluffy.
  4. Lower mixer speed and mix in melted butter, oil, and vanilla extract until just combined.
  5. Gradually add the dry ingredients to the wet mixture, folding until just combined, then add chocolate chips.
  6. Pour the batter into the prepared pan. Dollop marshmallow crème on top and swirl gently with a knife.
  7. Bake for 45 to 55 minutes or until edges are firm and center is slightly underbaked.
  8. Once baked, cool in the pan on a wire rack for about 30 minutes before slicing.

Nutrition

Serving: 1brownieCalories: 250kcalCarbohydrates: 35gProtein: 3gFat: 12gSaturated Fat: 7gPolyunsaturated Fat: 1gMonounsaturated Fat: 3gCholesterol: 50mgSodium: 100mgPotassium: 200mgFiber: 1gSugar: 20gVitamin A: 200IUCalcium: 20mgIron: 1mg

Notes

These brownies are perfect warm with ice cream or as an afternoon snack. You can customize them with different chocolate chips or add nuts for a delightful crunch.

Tried this recipe?

Let us know how it was!