How to Make Easy Fluffernutter Banana Blondies

If you were lucky as a child, you might’ve occasionally found a fluffernutter sandwich in your lunchbox a time or two, making all the other kids around you with plain PB&J‘s extremely jealous (thanks, mom). If you were one of those kids with the PB&J’s and never got to experience the gold that is a fluffernutter sandwich, I’m sorry. If you don’t know, a fluffernutter sandwich has marshmallow fluff, peanut butter, and if you’re really going all out, bananas, smashed between two slices of bread.

This recipe incorporates these ingredients into a banana-based blondie that’s topped with peanut butter frosting. It’s like a cross between a blondie, banana bread, and a fluffernutter sandwich, which would most definitely earn you a spot at the cool kid’s table.

Fluffernutter Banana Blondies

• Step 1

  Preheat oven to 350°F. Line an 8×8 baking pan with foil, then spray with cooking spray. Set aside.

  #SpoonTip: Leave some foil overhanging on opposite sides of the pan to make it easier to remove them. 

  

• Step 2

  With a stand mixer or handheld blender, combine the melted butter and light brown sugar until combined.

  

• Step 3

  Add the egg and vanilla and blend until evenly incorporated.

  

• Step 4

  Stir in the salt, flour, and mashed banana until the batter is smooth and free of chunks.

  

• Step 5

  Spread the batter in the prepared pan, using a spatula to ensure it’s evenly distributed.

  

• Step 6

  Add the marshmallows and swirl them into the batter with a knife, making sure they’re evenly dispersed and coated.

  #SpoonTip: If you don’t want the marshmallows to brown at the top of your blondies, mix them into the batter before pouring in the pan. 

  

• Step 7

  Bake for 25-30 minutes until the blondies are set. Transfer to a wire rack to cool completely. Then frost with the peanut butter frosting, recipe below.

  

Peanut Butter Frosting

• Step 1

  In a stand mixer or with a handheld blender, whip together the butter, peanut butter, and powdered sugar until combined. Add milk if it’s too thick, until you’ve reach your desired consistency.

  

• Step 2

  Spread frosting evenly over the cooled blondies with a spatula.

  

• Step 3

  Cut into 16 even pieces, and serve.