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Indulge in these delicious no-bake peanut butter crunch bars made with just a few simple ingredients. Perfect for satisfying your sweet tooth without turning on the oven.

If you love gooey sweet recipes like this, try our Peanut Butter Pretzel Rice Krispie Treats too!

Peanut Butter Crunch Bars

These Gooey Chocolate Peanut Butter Crunch Bars could not be more delicious! They make the perfect back-to-school weekend dessert.

These peanut butter rice krispie style treats are so simple to prepare and make the perfect sweet snack for the family! I used Chocolate Cheerios and Reese’s Puff’s to make a crispy, chewy treat everyone loves!

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ingredients for peanut butter crunch bars on counter

What You’ll Need

Here are the ingredients you’ll need to make peanut butter crunch bars at home. See the recipe card located at the end of the post for full details.

Reese’s Peanut Butter Puff’s Cereal– This chocolate peanut butter cereal is the perfect addition to these Peanut Butter Crunch Bars.
Chocolate Cheerios Cereal– Some chocolate cheerios are also added to the cereal mix.
Mini Marshmallows– Mini marshmallows are added to the mix for that gooey factor.
Light Brown Sugar– The brown sugar is combined with the corn syrup and peanut butter to make the peanut butter sweet sauce.
Light Corn Syrup– Find corn syrup in the baking section of the grocery store.
Creamy Peanut Butter– Use your favorite brand of creamy peanut butter.
Pure Vanilla Extract– For best tasting results, use pure vanilla extract.
Kosher Salt– I generally use kosher salt in my cooking and baking.
White and Chocolate Candy Melts– Find candy melts down the baking section of the grocery store. They melt nicely and get drizzled over the bars.

cereal and marshmallows in large mixing bowl

How To Make Peanut Crunch Bars

These crunch bars could not be more simple to make, follow these simple steps to make them at home.

Cereals Into Mixing Bowl. Place cereal and marshmallows into a large mixing bowl. Line a 9×13-inch baking dish with parchment paper and spray generously with cooking spray.

making gooey sauce for peanut butter crunch bars in saucepan

Make Peanut Butter Sauce. Place brown sugar, corn syrup and peanut butter into a small saucepan over medium heat. Stir and let boil for one minute. Remove and stir in vanilla and salt.

pouring peanut butter sauce over cereal mixture in mixing bowl

stirring peanut butter sauce in cereal mixture

Pour Sauce Over Cereal. Pour over cereal mixture, stirring until well combined, the marshmallows will melt while stirring.

pouring peanut butter crunch bars into pan to set

peanut butter crunch bars pressed into pan

Transfer To Pan. Pour cereal mixture into prepared baking dish spreading and pressing evenly, will be sticky, doesn’t have to be perfect.

Drizzle Top With Chocolate. Drizzle top layer with melted white chocolate then with melted chocolate. Let cool completely before cutting into squares. Serve room temperature.

Tips For Making Peanut Butter Crunch Bars

Have all of your ingredients measured out before starting recipe.
Once marshmallow mixture is melted, you’ll want to work quick to prevent the bars setting up.
Grease your mixing spoon, so mixture doesn’t stick while stirring.

How To Serve

Serve these gooey sweet bars at your next party where dessert is needed. They’re great for bake sales too.

Leftovers

Store any leftover bars in an airtight container, room temperature for up to 3 days.

Try More Delicious Marshmallow Recipes

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