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5 from 8 votes

Chocolate Peanut Butter Butterscotch Brownies

Delicious brownies and super easy to make!
Prep Time15 mins
Cook Time35 mins
Course: Dessert
Cuisine: American, southern
Keyword: Chocolate Peanut Butter Butterscotch Brownies
Servings: 8 servings
Author: The Southern Lady Cooks


  • 1 box Duncan Hines Chewy Fudge Premium Brownie Mix
  • 2/3 cup Roasted Peanuts and Honey Crunchy Peanut Butter Can use just regular crunchy peanut butter
  • 1 cup chocolate chips
  • 1 cup butterscotch chips
  • 1 cup walnut pieces
  • 2 cups miniature marshmallows

Brownie icing or topping:

  • 2 tablespoons cocoa
  • 2 tablespoons milk
  • 3 tablespoons butter or margarine
  • 1 teaspoon vanilla flavoring
  • 1 1/3 cups confectionery sugar


  • Prepare brownie mix according to package directions for fudgy brownies. Spread the mix in the bottom of a 9 x 13 dish sprayed with cooking spray.  Melt the peanut butter in the microwave for about 40 seconds until spreadable.
  • Then spread on top of the brownie mix.  Next, spread chocolate chips, butterscotch chips, and walnuts over the peanut butter.  Bake in preheated 350 degree oven for 25 minutes.
  • Remove and add marshmallows and put back in oven for 7 to 10 minutes to allow marshmallows to start to melt on top.  Remove from oven and let cool, then add icing.

Brownie Icing Instructions:

  • Mix together cocoa, margarine, milk and vanilla with mixer.  Add sugar, mix well. If icing is too thick to spread, add a little more milk.  Spread over cooled brownies.


These are better after the icing has time to set up.