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Home » Recipes » Desserts

Peanut Butter Chocolate Chip Bars

Published: Apr 25, 2025 by Janet · This post may contain affiliate links · Leave a Comment

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Why You’ll Love This Recipe

If you're a fan of chocolate and peanut butter, this recipe is a dream come true. The bars are chewy, gooey, and filled with a perfect balance of rich chocolate and creamy peanut butter. With simple ingredients and minimal prep, these bars are an indulgent treat that’s great for sharing or enjoying on your own. They offer all the flavors you love from chocolate chip cookies, but with a peanut butter twist that takes them to the next level.

Ingredients

  • Salted butter

  • Creamy peanut butter (e.g., Jif or Skippy)

  • Light brown sugar

  • All-purpose flour

  • Baking soda

  • Eggs

  • Semi-sweet chocolate chips

  • Vanilla extract

(Tip: You'll find the full list of ingredients and measurements in the recipe card below.)

Directions

  1. Preheat the oven to 350°F (175°C). Line a 9x13-inch baking pan with parchment paper.

  2. In a mixing bowl, beat together the salted butter, peanut butter, and light brown sugar until creamy.

  3. Add the eggs and vanilla extract, mixing until fully incorporated.

  4. In a separate bowl, whisk together the flour and baking soda, then gradually add it to the wet ingredients, mixing until combined.

  5. Fold in the chocolate chips.

  6. Press half of the dough into the prepared pan, leaving room to swirl in the peanut butter.

  7. Dollop spoonfuls of peanut butter over the dough and spread slightly with a spatula (but don’t spread it fully).

  8. Top with the remaining dough and use your fingers to crumble it over the peanut butter.

  9. Bake for 24-28 minutes, or until the edges are golden and the bars are set but slightly jiggly.

  10. Let the bars cool completely before slicing and serving.

Servings and Timing

  • Servings: 12-16 bars

  • Preparation Time: 15 minutes

  • Cook Time: 24-28 minutes

  • Total Time: Approximately 45 minutes

Variations

  • Nutty Twist: Add chopped peanuts or any other nuts you like for extra crunch.

  • Chocolate Variety: Swap the semi-sweet chocolate chips for milk, dark, or even white chocolate chips.

  • Vegan Option: Use a plant-based butter and egg substitute for a vegan-friendly version.

Storage/Reheating

  • Storage: Store the bars in an airtight container at room temperature for up to 7 days. You can also freeze them for up to 3 months.

  • Reheating: For a warm treat, microwave a bar for 15-20 seconds, or heat in a 300°F oven for a few minutes.

FAQs

Can you freeze these Peanut Butter Chocolate Chip Bars?

Yes, you can freeze them! Just store the bars in an airtight container or wrap them tightly in plastic wrap and foil before freezing. They’ll stay good for up to 3 months.

What size baking pan should I use?

The recipe is designed for a 9x13-inch baking pan, but a square pan can work too. Just keep in mind that the bars will be thicker and may need a little extra baking time.

Can I use a different type of peanut butter?

It’s best to use regular creamy peanut butter like Jif or Skippy. Natural peanut butter can have a different consistency and won’t swirl into the dough the same way.

Can I substitute dark chocolate or milk chocolate chips?

Yes! Feel free to use any chocolate chips you prefer, whether that’s dark, milk, or white chocolate.

How do I avoid the bars from falling apart when cutting?

Let the bars cool completely before cutting them. If you try to cut them while they’re still warm, they may fall apart.

Can I add other mix-ins to the bars?

Absolutely! You can add chopped nuts, candy pieces, or even mini marshmallows to the dough for a fun twist.

Can I make these without a stand mixer?

Yes, you can mix everything by hand or with a hand mixer if you don’t have a stand mixer.

Why does the peanut butter swirl into the dough?

The peanut butter naturally melts and swirls into the dough as it bakes, creating that perfect peanut butter flavor throughout the bars.

Can I double the recipe?

Yes, you can double the ingredients and bake in a larger pan, but make sure to adjust the baking time if needed. Keep an eye on them as they bake to avoid overcooking.

How do I know when the bars are done?

The bars will look slightly jiggly in the center, but they will firm up as they cool. If the edges are golden brown, they’re usually done.

Conclusion

These Peanut Butter Chocolate Chip Bars are a perfect dessert for any occasion, offering the beloved combo of chocolate and peanut butter in a chewy, gooey bar. With simple ingredients and easy steps, they’re sure to become a household favorite. Whether for a party or a sweet treat at home, these bars never disappoint!

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These Peanut Butter Chocolate Chip Bars are the ultimate treat for chocolate and peanut butter lovers! A chewy, gooey bar with a delicious mix of semi-sweet chocolate chips and creamy peanut butter swirled throughout. Easy to make, they offer a perfect balance of rich, indulgent flavors in every bite. Great for sharing or enjoying on your own!

  • Author: Janet
  • Prep Time: 15 minutes
  • Cook Time: 24-28 minutes
  • Total Time: 45 minutes
  • Yield: 12-16 bars
  • Category: Dessert, Bars
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

½ cup salted butter (softened)

½ cup creamy peanut butter (e.g., Jif or Skippy)

¾ cup light brown sugar (packed)

1 ½ cups all-purpose flour

1 teaspoon baking soda

2 large eggs

1 ½ cups semi-sweet chocolate chips

1 teaspoon vanilla extract

Instructions

  • Preheat the oven to 350°F (175°C) and line a 9x13-inch baking pan with parchment paper.

  • In a mixing bowl, beat the softened butter, peanut butter, and light brown sugar together until creamy and smooth.

  • Add the eggs and vanilla extract, and mix until fully incorporated.

  • In a separate bowl, whisk together the flour and baking soda, then gradually add this mixture to the wet ingredients, mixing until combined.

  • Fold in the chocolate chips.

  • Press half of the dough into the prepared baking pan, leaving some space to swirl in the peanut butter.

  • Spoon dollops of peanut butter on top of the dough and gently spread with a spatula (don’t fully spread it out).

  • Crumble the remaining dough over the peanut butter.

  • Bake for 24-28 minutes or until the edges are golden and the bars are slightly jiggly in the center.

  • Allow the bars to cool completely before slicing and serving.

Notes

  • Let the bars cool completely before cutting to prevent them from falling apart.

  • You can add chopped peanuts, or other nuts for an extra crunch.

  • To make them vegan, substitute plant-based butter and egg substitutes.

  • Feel free to swap semi-sweet chocolate chips with milk, dark, or white chocolate chips.

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Hi, I’m Janet! Welcome to Recipes by Janet, where I share simple, delicious, and reliable recipes for every meal.

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