No-Bake Peanut Butter Bars feature a rich peanut butter layer with a sweet chocolate topping for a decadent dessert made with just six ingredients!

stack of three no bake peanut butter bars sitting on a white round plate with a glass of milk in the background.

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No-Bake Peanut Butter Bars Recipe

Peanut butter and chocolate are one of the best flavor combinations out there. Luckily, these Reese’s peanut butter cup-inspired no-bake bars capture that irresistible combo just perfectly. When you take a bite, you’ll get all that delicious sweet peanut butter taste, made just a little crisp by the cookies. (I love it in Chocolate Peanut Butter Pie, Peanut Butter and Chocolate Buckeyes, and Peanut Butter Blossoms, too!)

Creamy peanut butter combines with crushed vanilla wafers for crunch and flavor. Then, we top the mix with decadent melted chocolate.

The bars chill in the fridge. So, they’re a great option on hot days or when you just don’t want to bother with using the oven. I dare you to stop at just one!

These chocolate peanut butter bars are an almost candy-like treat. They’re perfect on a potluck table or as an after-school snack treat like Rice Krispie treats. You are going to adore them! 

close up image of a no bake peanut butter bars.

Ingredients for No-Bake Peanut Butter Bars

To print: see recipe card below

ingredients to make no bake peanut butter bars.

Peanut Butter Bars

  • 3 cups Nilla Wafers – These are the classic Nilla Wafers we all know and love!
  • 1 cup salted butter – If unsalted butter is all you have, just add a sprinkle of salt to the mix.
  • 2 cups powdered sugar
  • 1 1/2 cups peanut butter – Smooth rather than chunky peanut butter is best in this recipe. I recommend using brands like Skippy or Jif rather than natural varieties that tend to separate.
  • Vanilla extract

Chocolate Topping

  • Peanut butter – Once again, smooth peanut butter is ideal for the topping.
  • Chocolate – Use semi-sweet chocolate rather than milk chocolate. Or, opt for dark chocolate for a richer taste. Chocolate chips or chocolate bars will work.

Variations

  • Use crunchy peanut butter instead of smooth in the bar mixture. This will definitely alter the texture of the bars, but it adds a satisfying crunch.
  • Replace the Nilla Wafers with animal cookies, shortbread cookies, ladyfingers, gingersnaps, or graham cracker crumbs.
  • Replace the peanut butter with almond butter, cashew butter, or sunflower seed butter to accommodate dietary or allergen needs.

Directions for How To Make No-Bake Peanut Butter Bars

  1. Process the cookies: Add the Nilla Wafers to a blender or large food processor. Pulse until fine crumbs form.
  2. Create the peanut butter base: Add the melted butter, powdered sugar, peanut butter, and vanilla to the cookie pieces. Mix until a smooth, thick batter forms. Scrape down the sides of the blender, and pulse to ensure everything is well combined.
  3. Spread: Spoon the peanut butter mixture into a 9×13 baking dish. Use a metal offset spatula to smooth it out evenly.
  4. Create the topping: Add the chocolate and 1/4 cup peanut butter to a microwave-safe bowl. Heat in 30-second increments, stirring in between, until completely melted.
  5. Top the bars: Pour the chocolate mixture over the peanut butter layer, spreading it out evenly.
  6. Chill: Transfer the pan to the fridge to chill for about an hour or until the bars are firm. Or, transfer them to the freezer for about 15 minutes. Slice the bars, and enjoy!
stack of three no bake peanut butter bars sitting on a white round plate.

How to Store + Freeze No-Bake Peanut Butter Bars

  • Store the bars in an airtight container in the fridge for up to five days. Serve straight from the fridge.
  • Freeze leftovers for up to three months. To keep them fresh, wrap each bar tightly in plastic wrap. Then, transfer them to a sealable bag.
  • Enjoy frozen, thaw the bars in the fridge, or set them out to soften at room temperature when you’re ready to eat!

Quick Tip

Line your baking dish with parchment paper, letting some hang over the edges before you begin layering the ingredients. Then, all you have to do is lift the paper to remove the bars, slice, and serve!

Three no-bake peanut butter bars on a plate.

No-Bake Peanut Butter Bars

These No Bake Peanut Butter Bars are super simple to put together and need only 6 ingredients! And they're a no-bake treat, which means you will have them ready quickly, without needing to turn on your oven.
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Course: Dessert
Cuisine: American
Servings: 24 servings
Prep Time: 10 minutes
Cook Time: 45 minutes
Cooling time: 30 minutes
Total Time: 1 hour 25 minutes

Equipment

  • 1 Food processor or blender
  • 1 9×13 baking dish
  • 1 Microwave safe bowl

Ingredients  

  • 3 cups Nilla wafers
  • 1 cup salted butter, melted
  • 2 cups powdered sugar
  • 1 ½ cups smooth peanut butter
  • 1 teaspoon vanilla extract

Topping

  • ¼ cup smooth peanut butter
  • 10 ounces semi-sweet chocolate

Instructions 

  • Add the Nilla Wafers to a blender or large food processor and pulse until they are fine crumbs.
    3 cups Nilla wafers
  • Add the melted butter, powdered sugar, peanut butter and vanilla and mix until smooth. It will be pretty thick. Scrape down the sides of the blender and pulse to make sure everything is well mixed and evenly combined.
    1 cup salted butter, melted, 2 cups powdered sugar, 1 ½ cups smooth peanut butter, 1 teaspoon vanilla extract
  • Spread the peanut butter mix into a 9×13 pan. Use a metal offset spatula to make the peanut butter mix smooth and level in the pan.
  • To make the topping, add the chocolate and ¼ cup peanut butter to a microwave safe bowl. Heat in the microwave in 30 second increments, stirring after heating each time to melt the chocolate. Once the mix is completely melted and smooth, pour it over the peanut butter in the pan and spread it evenly.
    ¼ cup smooth peanut butter, 10 ounces semi-sweet chocolate
  • Put the pan in the fridge for about an hour to cool.
  • Cut the bars and serve!

Nutrition

Serving: 1serving | Calories: 351kcal | Carbohydrates: 30g | Protein: 6g | Fat: 24g | Saturated Fat: 10g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 9g | Trans Fat: 0.4g | Cholesterol: 21mg | Sodium: 198mg | Potassium: 187mg | Fiber: 2g | Sugar: 20g | Vitamin A: 242IU | Calcium: 19mg | Iron: 1mg
Did you make this recipe?Mention @kasey_allthingsmamma or tag #allthingsmamma!

Did you make this No-Bake Peanut Butter Bars recipe? Let us know how it turned out with a rating and comment!

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About Kasey Schwartz

For over 15 years, Kasey Schwartz, the mastermind behind All Things Mamma, has been the ultimate go-to for mouthwatering family recipes. Her work has been featured on Today.com, Buzz Feed, Better Homes and Gardens, and more, making her your go-to mom next door for all things delicious and family-friendly.

Comments

  1. Rhonda Peterson says:

    Is this three cups of crushed wafers? Or do you measure three cups of the whole cookies and then crush? Thank you.

  2. Sherry Rollins says:

    My family absolutely loves these bars. Now we have the recipe we can make all the time. Thank you

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