Fluffernutter Bars

5 from 1 vote

These Fluffernutter Bars are totally irresistible and PERFECT for all the peanut butter and Fluff sandwich lovers out there! Grab one with a tall glass of cold milk and you'll be in heaven!

Prep Time15

Cook Time30

Total Time45

Course: Dessert

Cuisine: American

Keyword: cookie bars, Fluff, peanut butter

Servings: servings

Calories: 441kcal

Author: MaryAnn Dwyer

Ingredients

1/2 cup unsalted butter, room temperature
1/2 cup creamy peanut butter
1 cup light brown sugar
1 large egg, room temperature
1 tsp. vanilla extract
1 1/2 cups all-purpose flour
1/2 tsp. kosher salt
1 cup marshmallow Fluff
6-8 Nutter Butter Cookie Sandwiches

Instructions

Preheat oven to 350 degrees. Line an 8x8 baking pan with parchment paper. Spray parchment lightly with nonstick cooking spray. Set aside.
In a large bowl, cream together butter and peanut butter until smooth, 1-2 minutes. Add the brown sugar and continue to mix until smooth.
Add the egg and vanilla and mix until well combined. Add the flour and kosher salt and mix until just combined and no streaks of flour remain.
Add half of the cookie dough to your prepared pan and smooth out with an offset or rubber spatula. Top the dough with a layer of the marshmallow Fluff and then dollop the remaining cookie dough on top of the Fluff, smoothing gently with your spatula. I find spraying the spatula with some nonstick cooking spray makes it easier to spread evenly. Lightly press a few Nutter Butter Cookies into the top. (as pictured)
Bake for 25-30 minutes, until lightly browned on top. Mine took 30 minutes. Remove to a wire rack to cool. Once cool, cut into bars.

Notes

As with any cookie bar recipes, I make sure not to overbake. I like my bars moist and chewy, not dry and hard. I baked these for 25-30 minutes or until a tester inserted in the middle of the bars came out mostly clean with just a few crumbs.

You will need an 8x8 pan for this recipe.

I used the full sized Nutter Butter Cookies (as pictured) to top my bars with, but you could also use their Nutter Butter Bites if you'd like.

Nutrition