Peanut Butter Chocolate Chunk Cookie Bars

Chocolate and peanut butter come together in the best way in this recipe for peanut butter chocolate chunk cookie bars.

Peanut butter chocolate chunk cookie bars. Woah. What a mouthful but in the best way. Like an “ohmygod this is the best thing I’ve ever eaten” way. I mean it. They’re the perfect addition to your Game of Thrones rewatch binge. (I know I’m not the only one doing that right now!)

Chewy Peanut Butter Chocolate Chip Cookie Bars

When I bake these cookie bars, I can’t stay away from them. And since I’m on this ~everything in moderation~ kick and wanting to be healthier, I give them away. I have zero self-control around these bars because they are just so chewy and moist and melt-in-your-mouth GOOD! (I brought about half of them to a family I babysit for – kids need the calories, right? Also, these cookie bars were a hit with parents AND kids so win-win!)

This recipe doesn’t require any special equipment or ingredients: just some old fashioned elbow grease, a couple bowls, and a whisk. If you’ve got a hand or a stand mixer – USE THEM! Otherwise, enjoy the little workout 😉

I MEAN COME ON. Look at the melty chocolatey peanut buttery goodness! *drools*

Peanut Butter Chocolate Chunk Cookie Bars

  • Yield: 16 small bars, 9 large bars
  • Prep Time: 15 minutes
  • Cook Time: 25 minutes


  • 1 stick unsalted butter, melted
  • 2 cups light brown sugar
  • 1/2 cup creamy peanut butter
  • 2 whole eggs
  • 2 tsp vanilla extract
  • 2 1/4 cup all-purpose flour
  • 1 tsp baking powder
  • 1/2 tsp baking soda
  • 1/2 tsp salt (plus more for topping)
  • 1 1/2 cups chocolate chips (or one bakers chocolate bar, chopped)


  1. Preheat oven to 350F and spray your 9x9 or 9x13 baking pan with non-stick spray or line with parchment paper.

  2. In a mixing bowl, combine the melted butter (you can melt in a pot or in the microwave - whatever!) and the brown sugar until smooth. Add the peanut butter and continue to mix until well combined. Let the peanut butter mixture cool while you continue on to the next step.

  3. In a large mixing bowl, whisk together the flour, baking powder, baking soda, and salt.

  4. Getting back to the peanut butter mixture, mix in the eggs and the vanilla extract until well combined. Pour the wet ingredients into the dry ingredients and mix until everything is incorporated!

  5. Add the mixture into your baking pan and bake for 25-30 minutes or until the edges start to become crusty. Remove from oven and sprinkle salt on top (salt is optional!). Let cool for a few minutes before removing from the baking pan and cutting into bars.

Tools I use:

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