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Mom's marshmallow brownies
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4.25 from 4 votes

Mom's Famous Chocolate Marshmallow Brownies Recipe

Mom's Famous Chocolate Marshmallow Brownies are gooey goodness. The melted marshmallows on a chocolate base, topped with creamy homemade frosting, is probably the world's best combo.
Prep Time40 minutes
Cook Time22 minutes
Total Time1 hour 2 minutes
Course: Dessert
Cuisine: American
Keyword: chocolate brownies, Easy Dessert Recipe
Servings: 35
Calories: 211kcal

Equipment

  • Baking Sheet
  • Mixing Bowl
  • Hand mixer

Ingredients

Brownie

  • 1 cup butter softened to room temp
  • 2 cups sugar
  • cup cocoa
  • 4 eggs
  • 1 ½ cups flour
  • 1 teaspoon salt
  • 2 teaspoons vanilla
  • 10 ounces miniature marshmallows

Frosting

  • ½ cup butter softened
  • 2 Tablespoons milk
  • 1 teaspoon vanilla
  • 4 Tablespoons cocoa powder
  • 3 cups powdered sugar

Instructions

Brownies

  • Mix softened butter and blend in sugar and cocoa.
  • Beat together and add 4 eggs, one at a time, mixing after each one
  • Add flour, salt and vanilla and mix well.
  • Spread on large half sheet baking pan that has been lightly greased. They are about 18 x 13 x 1 inch.
  • Bake 22-25 minutes at 350.
  • Remove from oven and cover entire top with 1 package of miniature marshmallows.
  • Return to oven for 3 minutes, until marshmallows are soft and puffy.
  • Cool completely and frost with chocolate frosting.

Frosting

  • Mix all ingredients with a hand mixer until smooth.
  • Add more powdered sugar or milk until you reach desired consistency and spread on top of bars.

Video

Notes

  •  Do not cook for longer than 3 minutes or your marshmallows will burn and be crunchy. You want your marshmallows to be soft and not chewy.

Nutrition

Calories: 211kcal | Carbohydrates: 33g | Protein: 2g | Fat: 9g | Saturated Fat: 5g | Trans Fat: 1g | Cholesterol: 40mg | Sodium: 151mg | Potassium: 39mg | Fiber: 1g | Sugar: 26g | Vitamin A: 272IU | Calcium: 9mg | Iron: 1mg