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    Home » Dessert » Bars » Peanut Butter Bars

    Peanut Butter Bars

    Published: Apr 12, 2018 · Modified: Apr 18, 2023 by Tonia Larson

    This post may contain affiliate links. Please read my disclosure policy.

    ↓ JUMP TO RECIPE ↓ JUMP TO VIDEO

    These no bake Peanut Butter Bars are dangerously easy to make with just a few ingredients you probably have in your pantry right now.

    cut peanut butter bars lined up

    Peanut butter desserts are a weakness of mine and if I were pressed to choose a favorite candy bar, I would have to admit that Reese’s Peanut Cups are the candy bars I buy the most.

    I typically use this recipe to make truffles but I get lazy about dipping all of those truffles so I decided to make these no bake peanut butter bars instead.

    Disclaimer: This post contains links to products for making this recipe. If you use those links, I may earn a commission. Learn more here.

    How To Make Peanut Butter Bars

    peanut butter and marshmallow cream in bowl for peanut butter bars

    Step One:

    Put creamy peanut butter and marshmallow cream in a bowl.

    peanut butter bars dough

    Mix together until combined.

    This can be done with a mixer or by hand.

    rice krispies mixed into the peanut butter bars dough

    Step Two:

    Stir in the rice krispies.

    peanut butter bars dough in pan

    Step Three:

    Line a 9×9 inch pan with enough foil so that it hangs over the sides a bit. Add the dough.

    flatten peanut butter bars with a spatula

    Use a rubber spatula to flatten the peanut butter bars.

    smooth peanut butter bars with an offset spatula

    To make the bars smooth on the top, use an offset spatula.

    chocolate and butterscotch chip in a bowl for peanut butter bars frosting

    Step Four:

    Make the frosting for the peanut butter bars. Put chocolate chips and butterscotch chips in a microwave-safe bowl.

    chocolate and butterscotch chip frosting for peanut butter bars

    Melt in the microwave on high for 45-seconds. Stir until smooth. If needed, microwave for 15-second intervals and stirring after each interval.

    melted frosting on peanut butter bars

    Step Five:

    Scrape the melted chocolate onto the bars.

    chocolate frosted peanut butter bars

    Spread the chocolate frosting over the bars.

    cut the peanut butter bars

    Step Six:

    Put the bars in the fridge to allow the chocolate frosting to harden and set.

    Use the foil to lift out the bars and cut them into pieces.

    no bake peanut butter bars covered with chocolate

    Peanut Butter Bars Recipe Tips

    1. If you prefer smooth bars, leave the rice krispies out and just make the bars with the peanut butter and marshmallow cream.

    2. Don’t have butterscotch chips or don’t like them? Leave them out and substitute an equal amount of semi-sweet chocolate chips or peanut butter chips.

    3. Want to make peanut butter truffles? Instead of spreading the peanut butter bars dough into a pan, form them into balls. Place them in the fridge or freezer to harden.

    Add one tablespoon of shortening to the chocolate chips and butterscotch chips before melting them in the microwave. Dip the chilled truffles into the melted chocolate. Place on a piece of parchment paper to harden and set.

    4. Want to make peanut butter cups? This dough makes the perfect peanut butter cup filling. Coat the sides and the bottom of a mini cupcake liner with the melted chocolate. Chill until hardened.

    Fill the inside of the cup with the peanut butter dough. Then, top it with the melted chocolate. See the step-by-step photos of how to do this, look at the photos in this chocolate biscoff cups recipe post.

    cut peanut butter bars lined up

    Peanut Butter Bars

    These no bake Peanut Butter Bars are dangerously easy to make with just a few ingredients you probably have in your pantry right now.
    5 from 2 votes
    ↑ Click stars to rate!
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    Prep Time: 15 minutes minutes
    Total Time: 15 minutes minutes
    Servings: 16
    Prevent your screen from going dark

    Equipment

    Cuisinart Hand Mixer
    Offset Icing Spatula
    Spoon Spatula
    Glass Mixing Bowl Set

    Ingredients

    • 1 cup peanut butter
    • 7 oz marshmallow cream
    • 1 1/2 cups rice krispies
    • 3/4 cup semi-sweet chocolate chips
    • 3/4 cups butterscotch chips

    Instructions

    • Put creamy peanut butter and marshmallow cream in a bowl. Mix together until combined.
    • Stir in the rice krispies.
    • Line a 9×9 inch pan with enough foil so that it hangs over the sides a bit. Add the dough. Use a rubber spatula to flatten the peanut butter bars. To make them smooth on the top, use an offset spatula.
    • To make the frosting for the peanut butter bars, put chocolate chips and butterscotch chips in a microwave-safe bowl. Melt in the microwave on high for 45-seconds. Stir until smooth. If needed, microwave for 15-second intervals and stirring after each interval.
    • Scrape the melted chocolate onto the bars. Spread the chocolate frosting over the bars.
    • Put the peanut butter bars in the fridge to allow the chocolate frosting to harden and set. Use the foil to lift out the bars and cut them into pieces.

    Video

    Nutrition

    Serving: 1square | Calories: 223kcal | Carbohydrates: 27g | Protein: 4g | Fat: 11g | Saturated Fat: 3g | Cholesterol: 1mg | Sodium: 119mg | Fiber: 1g | Sugar: 18g
    Course: Bars, Dessert, Peanut Butter
    Cuisine: American
    Author: Tonia Larson

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    About Tonia Larson

    Hi! I’m Tonia, the owner and recipe creator at The Gunny Sack, where I’ve shared easy recipes for busy people for 12+ years! My family-friendly meals, easy side dishes, and delicious desserts include mouthwatering photos, dynamic videos, and step-by-step instructions to help you cook at home.

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    Comments

    1. Judi Best says

      December 12, 2018 at 8:49 pm

      5 stars
      Thank you for the recipe. We’ve been looking for.

      Reply
    2. Judi Best says

      December 12, 2018 at 8:49 pm

      5 stars
      Thank you for the recipe. We’ve been looking for.

      Reply

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    Tonia Larson and Brian LarsonHi, We are Brian and Tonia Larson! We hope you enjoy our family-friendly meals, easy side dishes, and tasty desserts!
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