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Fluffernutter Bars

Fluffernutter Bars combine layers of peanut butter and marshmallow fluff to create a nostalgic treat perfect for any occasion.
Prep Time 15 minutes
Cook Time 35 minutes
Total Time 50 minutes
Servings: 12 squares
Course: Dessert, Snack
Cuisine: American
Calories: 300

Ingredients
  

For the base
  • 2 1/4 cups all-purpose flour
  • 1 teaspoon baking powder
  • 1/4 teaspoon salt
  • 3/4 cup unsalted butter, softened Consider browning the butter for added flavor.
  • 3/4 cup brown sugar
  • 1/3 cup white sugar
  • 1 1/2 cups smooth peanut butter Natural peanut butter may yield a different texture.
  • 1 large egg
  • 1 large egg yolk
For the topping
  • 7 oz jar marshmallow fluff

Method
 

Preparation
  1. Preheat the oven to 350°F and position the rack in the center.
  2. Line a 9x13 inch pan with parchment paper, allowing an overhang.
  3. In a medium bowl, whisk together the flour, baking powder, and salt.
  4. In a larger bowl, beat the softened butter with the brown sugar and white sugar until smooth.
  5. Add the peanut butter and mix well, then incorporate the egg and egg yolk until smooth.
  6. Gradually fold the flour mixture into the peanut butter mixture until combined.
  7. Reserve about 1 cup of the batter for later.
Baking
  1. Press the remaining dough into the prepared pan to form an even layer.
  2. Bake for 25 minutes until golden around the edges.
  3. Spread the marshmallow fluff over the warm baked layer.
  4. Pinch off pieces of the reserved dough and scatter them over the marshmallow fluff.
  5. Return to the oven and bake for an additional 10 minutes.
  6. Cool at room temperature for at least one hour.
  7. Lift the bars using the parchment overhang and slice into squares.

Notes

Store in an airtight container for up to one week. For freezing, wrap bars individually and store in an airtight container for up to three months.