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Delish Peanut Butter Chocolate Chip Bars

Delish Peanut Butter Chocolate Chip Bars

Chewy, bakery-style peanut butter chocolate chip bars packed with melty chips and rich peanut butter flavor. Mixed in one bowl and baked in a 9x13 pan—perfect for potlucks, lunch boxes, or make-ahead treats.
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Prep Time: 15 minutes
Cook Time: 25 minutes
Total Time: 40 minutes
Servings: 16
Calories: 120kcal

Ingredients
 

Main Ingredients

  • baking spray for greasing the pan
  • 1.5 cup all-purpose flour
  • 0.5 teaspoon baking soda
  • 0.5 teaspoon fine salt
  • 0.5 cup unsalted butter, melted and slightly cooled
  • 0.75 cup creamy peanut butter
  • 0.75 cup light brown sugar, packed
  • 0.5 cup granulated sugar
  • 2 large eggs
  • 2 teaspoon vanilla extract
  • 1.25 cup semisweet chocolate chips
  • 0.25 cup mini chocolate chips for topping, optional
  • 0.125 teaspoon flaky sea salt optional

Instructions

Preparation Steps

  • Preheat oven to 350°F. Line a 9x13-inch baking pan with parchment paper, leaving overhang, and lightly grease with baking spray.
  • In a medium bowl, whisk together flour, baking soda, and salt; set aside.
  • In a large bowl, whisk the melted butter, peanut butter, brown sugar, and granulated sugar until smooth and glossy.
  • Whisk in eggs one at a time, then whisk in vanilla until well combined.
  • Add dry ingredients to the wet ingredients and fold with a spatula just until no dry streaks remain; do not overmix.
  • Fold in 1 cup of the semisweet chocolate chips, reserving the remaining 0.25 cup for topping.
  • Spread the thick batter evenly into the prepared pan. Sprinkle the remaining semisweet chips and the mini chocolate chips over the top. Lightly sprinkle with flaky sea salt if using.
  • Bake for 22 to 27 minutes, until the edges are set and golden and a toothpick inserted near the center comes out with a few moist crumbs (not wet batter).
  • Cool completely in the pan on a wire rack. Use parchment to lift out, then cut into 16 bars.
  • Store bars airtight at room temperature for up to 3 days or freeze for up to 2 months.

Notes

For thicker, fudgier bars, pull them from the oven when the center still looks slightly soft; they will set as they cool. Swap semisweet chips for milk or dark chocolate, or add 0.5 cup chopped roasted peanuts for crunch.