Get ready to indulge in the ultimate sweet and salty treat with these irresistible Peanutty Gooey Bars! Bursting with rich, creamy peanut butter flavor, these bars are loaded with mini marshmallows, chopped salted peanuts, and melty semi-sweet chocolate chips for a perfectly chewy and gooey texture. The recipe combines simple pantry staples, minimal prep time, and easy-to-follow steps, making it a must-try dessert for busy weeknights or casual gatherings. Topped with a golden, toasty finish and just the right balance of crunch and melt-in-your-mouth decadence, these bars are perfect for satisfying any sweet tooth. Plus, they store beautifully, making them a brilliant make-ahead treat for lunchboxes, bake sales, or anytime snacking!
Preheat your oven to 350°F (175°C). Line a 9x13-inch baking pan with parchment paper, leaving some overhang for easy removal, and lightly grease the paper.
In a large microwave-safe bowl, melt the butter. Stir in the peanut butter until smooth.
Add the granulated sugar, brown sugar, and vanilla extract to the bowl, whisking until combined.
Beat in the eggs, one at a time, until fully incorporated.
In a separate bowl, whisk together the flour, baking powder, and salt.
Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Avoid overmixing.
Fold in 1 1/2 cups of mini marshmallows, 3/4 cup of chopped peanuts, and 3/4 cup of chocolate chips, reserving the rest for topping.
Spread the batter evenly into the prepared pan. Scatter the remaining marshmallows, peanuts, and chocolate chips over the top, gently pressing them into the batter.
Bake for 22-25 minutes, or until the edges are golden brown and the center is set. Be careful not to overbake; the bars should remain gooey.
Remove the pan from the oven and allow the bars to cool completely in the pan before lifting them out using the parchment overhang.
Cut into 12 squares or desired portions. Store in an airtight container at room temperature for up to 5 days.
Calories |
4240 | ||
|---|---|---|---|
% Daily Value* |
|||
| Total Fat | 240.0 g | 308% | |
| Saturated Fat | 81.3 g | 406% | |
| Polyunsaturated Fat | 0.0 g | ||
| Cholesterol | 124 mg | 41% | |
| Sodium | 2409 mg | 105% | |
| Total Carbohydrate | 479.8 g | 174% | |
| Dietary Fiber | 35.3 g | 126% | |
| Total Sugars | 247.1 g | ||
| Protein | 102.8 g | 206% | |
| Vitamin D | 0.0 mcg | 0% | |
| Calcium | 277 mg | 21% | |
| Iron | 18.7 mg | 104% | |
| Potassium | 2230 mg | 47% | |
*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.