Devilish Fluffernutter Bars
Indulge your sweet tooth with these irresistible Devilish Fluffernutter Bars—an ooey, gooey masterpiece that combines creamy peanut butter, luscious marshmallow fluff, and melty semisweet chocolate chips in every bite. Perfectly balanced between salty and sweet, these layered dessert bars feature a soft, buttery base and a golden-brown top with dollops of swirled marshmallow and chocolate peeking through. Ready in under an hour and ideal for bake sales, potlucks, or simply sating your snack cravings, these decadent bars are a devilishly delightful twist on the classic fluffernutter sandwich. Whether you’re a peanut butter lover or a marshmallow enthusiast, this recipe is guaranteed to impress!
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Recipe Information
Ingredients
- 0.75 cup Unsalted butter
- 1 cup Brown sugar
- 0.5 cup Granulated sugar
- 2 large Eggs
- 2 teaspoons Pure vanilla extract
- 1.75 cups All-purpose flour
- 1 teaspoon Baking powder
- 0.5 teaspoon Salt
- 0.75 cup Creamy peanut butter
- 1 cup Marshmallow fluff
- 1.5 cups Semisweet chocolate chips
Instructions
Preheat your oven to 350°F (175°C). Line a 9x9-inch baking pan with parchment paper, leaving a slight overhang to make it easier to lift the bars out later.
In a large microwave-safe bowl, melt the unsalted butter in 20-second intervals until fully melted. Allow it to cool slightly.
Whisk the brown sugar, granulated sugar, and melted butter together until smooth and combined.
Add the eggs and vanilla extract to the sugar mixture and whisk until light and creamy.
In a separate bowl, combine the all-purpose flour, baking powder, and salt. Gradually add the dry ingredients to the wet ingredients, stirring until just combined. Do not overmix.
Spread half of the batter evenly into the prepared baking pan using a spatula or the back of a spoon. The batter will be thick.
Heat the peanut butter for 10-15 seconds in the microwave to make it slightly more spreadable, then gently spread it over the bottom layer of batter.
Dollop the marshmallow fluff in small spoonfuls over the peanut butter layer. Use a knife or spatula to gently swirl it together.
Sprinkle 1 cup of the chocolate chips evenly over the marshmallow fluff layer.
Carefully spread the remaining batter on top, working gently to cover as much of the fluff and chocolate as possible. It’s okay if some filling peeks through.
Scatter the remaining 1/2 cup of chocolate chips on top of the batter.
Bake for 25-28 minutes, or until the top is golden brown and a toothpick inserted into the center comes out with only a few moist crumbs.
Allow the bars to cool completely in the pan on a wire rack. Then, using the parchment paper overhang, lift them out of the pan and cut into 16 squares.
Serve at room temperature and enjoy the gooey, sweet, and salty perfection of these Devilish Fluffernutter Bars!
Nutrition Facts
Calories |
407 | ||
|---|---|---|---|
% Daily Value* |
|||
| Total Fat | 19.6 g | 25% | |
| Saturated Fat | 9.6 g | 48% | |
| Polyunsaturated Fat | 0.0 g | ||
| Cholesterol | 47 mg | 16% | |
| Sodium | 162 mg | 7% | |
| Total Carbohydrate | 53.9 g | 20% | |
| Dietary Fiber | 2.1 g | 7% | |
| Total Sugars | 38.8 g | ||
| Protein | 6.2 g | 12% | |
| Vitamin D | 0.3 mcg | 1% | |
| Calcium | 40 mg | 3% | |
| Iron | 1.7 mg | 9% | |
| Potassium | 175 mg | 4% | |
*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
