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fluffernutter blondies cut into nine squares
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Fluffernutter Blondies

These Fluffernutter Blondies are a fun twist on traditional blondies. Add creamy peanut butter and mini marshmallows to transform this quick dessert into a new family favorite.
Course Desserts
Cuisine American
Keyword blondies, fluffernutter, fluffernutter blondies, peanut butter
Prep Time 10 minutes
Cook Time 30 minutes
Cooling Time 1 hour
Total Time 1 hour 40 minutes
Servings 9 bars
Calories 329kcal
Author Emily Bruno

Ingredients

  • 1/2 cup butter melted
  • 1/2 cup packed light brown sugar
  • 1/3 cup creamy peanut butter
  • 1/4 cup white sugar
  • 1 egg lightly beaten
  • 1 cup flour
  • 1/2 tsp. baking powder
  • 1/4 tsp. salt
  • 1 cup miniature marshmallows
  • 1/2 cup semisweet chocolate chips

Instructions

  • Preheat oven to 350 F. Line an 8in square baking pan with parchment paper, leaving a 2in overhang. Coat the parchment paper with cooking spray.
  • Stir together butter, brown sugar, peanut butter, and white sugar in a large bowl until smooth. Add egg and stir until combined.
  • Stir together flour, baking powder, and salt in a bowl. Gradually add flour mixture to the wet ingredients while stirring until just combined.
  • Gently fold in marshmallows and chocolate chips.
  • Spread batter into prepared pan and pat down evenly.
  • Bake until the edges are lightly browned and the center has moist crumbs when a toothpick is inserted, about 30 minutes. Cool completely in a pan on a wire rack for about one hour.
  • Carefully lift the blondies out of the pan using the parchment overhang. Cut into nine squares.

Notes

Store in an airtight container at room temperature.