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–+ servings
A pan of disappearing marshmallow brownies cut into squares.
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Disappearing Marshmallow Brownies

These brownies are full of chocolate chips and a have pockets of melted marshmallows scattered throughout, making these bars chewy and irresistible!!
Prep Time10 minutes
Cook Time18 minutes
Total Time28 minutes
Course: Dessert
Servings: 24
Calories: 204kcal
Author: Kelsey Byrnes

Ingredients

  • 1 cup butterscotch chips
  • 1/2 cup butter
  • 1 1/2 cups flour
  • 2/3 cup brown sugar
  • 2 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1 teaspoon vanilla
  • 2 eggs
  • 2 cups mini marshmallows
  • 2 cups semi-sweet chocolate chips (milk chocolate is fine too)
  • 1/2 cup chopped walnuts or pecans optional

Instructions

  • Preheat oven to 350°F.
  • Line a 9x13 pan* with parchment paper (or spray with cooking spray).
  • Add the butter and butterscotch chips to a microwave-safe bowl. Microwave until smooth, stirring frequently.
    1 cup butterscotch chips, 1/2 cup butter
  • Pour the butterscotch mixture into a large mixing bowl. Add the flour, brown sugar, baking powder and salt.
    1 1/2 cups flour, 2/3 cup brown sugar, 2 teaspoon baking powder, 1/2 teaspoon salt
  • Add the vanilla and eggs and stir until smooth.
    1 teaspoon vanilla, 2 eggs
  • Gently stir in the marshmallows, chocolate chips and nuts (optional) just until combined.
    2 cups mini marshmallows, 2 cups semi-sweet chocolate chips, 1/2 cup chopped walnuts or pecans
  • Spread into your prepared pan and baked for 18-22 minutes. Do NOT overbake.
  • The center will be jiggly, but will become firm when cool.

Notes

*This recipe can be halved and baked in an 8x8" pan, too.  

Nutrition

Serving: 1square | Calories: 204kcal | Carbohydrates: 28g | Protein: 2g | Fat: 10g | Saturated Fat: 7g | Polyunsaturated Fat: 0.4g | Monounsaturated Fat: 3g | Cholesterol: 23mg | Sodium: 108mg | Potassium: 75mg | Fiber: 1g | Sugar: 20g | Vitamin A: 128IU | Calcium: 36mg | Iron: 0.7mg