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Fluffernutter Bars Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.1 from 52 reviews
  • Author: Emma
  • Prep Time: 20 minutes
  • Cook Time: 35 minutes
  • Total Time: 1 hour 5 minutes
  • Yield: 15 servings 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Description

Fluffernutter Bars are a deliciously indulgent treat combining the classic flavors of peanut butter and marshmallow fluff in a rich, chewy bar. Featuring a dense peanut butter cookie base topped with a sweet layer of marshmallow fluff and dollops of peanut butter dough, these bars are perfect for dessert or snacking, delivering a perfect balance of creamy, sweet, and nutty flavors in every bite.

Ingredients

Units Scale

Dry Ingredients

  • 2 1/4 cups all-purpose flour
  • 1 teaspoon baking powder
  • 1/4 teaspoon salt

Wet Ingredients

  • 3/4 cup unsalted butter, softened
  • 3/4 cup brown sugar
  • 1/3 cup white sugar
  • 1 1/2 cups smooth peanut butter
  • 1 large egg
  • 1 large egg yolk (in addition to the whole egg, discard the white)
  • 7 oz jar marshmallow fluff

Instructions

  1. Preheat the oven: Set your oven to 350°F (175°C) and arrange the oven rack in the middle position to ensure even baking.
  2. Prepare the pan: Line a 9×13 inch baking pan with parchment paper, allowing some overhang on the sides to easily lift the bars later. Alternatively, use aluminum foil and lightly grease it.
  3. Mix dry ingredients: In a medium bowl, whisk together the all-purpose flour, baking powder, and salt until well combined.
  4. Cream butter and sugars: In a large bowl, beat the softened unsalted butter, brown sugar, and white sugar together until the mixture is soft and creamy.
  5. Add peanut butter and eggs: Beat in the smooth peanut butter until combined. Then mix in the whole egg and additional yolk, discarding the extra white, until the batter is smooth.
  6. Combine dry and wet mixtures: With the mixer on low speed, gradually add the flour mixture into the peanut butter batter, about half at a time, mixing just until combined.
  7. Reserve some dough: Remove approximately 1 cup of the peanut butter cookie dough and set aside for topping.
  8. Form the base layer: Press the remaining peanut butter dough evenly into the bottom of the prepared pan, creating a uniform layer.
  9. Bake the base: Bake this peanut butter layer in the preheated oven for 25 minutes or until the surface looks fully set and slightly firm to the touch.
  10. Add marshmallow fluff: Remove the pan from the oven but keep the oven on. Carefully spread the entire jar of marshmallow fluff evenly over the baked peanut butter base.
  11. Top with reserved dough: Pinch off small pieces (about 1 inch in size) from the reserved dough, flattening them slightly, then scatter them on top of the marshmallow layer, covering approximately 80-90% of the surface.
  12. Bake the top layer: Return the pan to the oven and bake for an additional 10 minutes or until the peanut butter dough on top is set and lightly golden.
  13. Cool the bars: Remove the pan from the oven and allow the bars to cool completely at room temperature for at least 1 hour to set properly.
  14. Remove from pan: Using the parchment paper or foil overhang, lift the entire slab of bars out of the pan and place onto a cutting board.
  15. Slice the bars: For clean cuts, slightly grease a thin, sharp knife with non-stick cooking spray to prevent sticking, then slice the bars into 15 servings.

Notes

  • Use parchment paper with overhang to easily lift the bars out of the pan without breaking.
  • If desired, you can substitute crunchy peanut butter for smooth to add texture.
  • Cooling completely before slicing ensures bars hold their shape well and don’t crumble.
  • Greasing the knife is optional but highly recommended for neat slices without sticking.
  • Store bars in an airtight container at room temperature for up to 3 days or refrigerate for longer freshness.

Find it online: https://yumrecipesfood.com/fluffernutter-bars-recipe/