A peanut butter and marshmallow cereal square stands on a parchment paper lined cooling rack with three other cereal treats stacked behind it.

Classic Rice Krispies Treats might bring a couple of memories: a beloved after-school snack, late-night sleepovers with childhood friends, or even just a fun, easy dessert that you love to make yourself! But have you tried them with peanut butter mixed in?

You can bring these to your kid’s next game, make them ahead of time for an after-school snack, or gift them to friends and family. Everyone will be happy when you pull out this perfect easy dessert. And you’ll want to eat your fair share of them too!

Front view of three peanut butter cereal treats cut into squares and stacked with parchment paper squares between them.
Close view of peanut butter rice krispie treats cut into squares.

Why should I make these peanut butter Rice Krispie treats?

It can be very rare to find a dessert that’s easy to make and something that the whole family will love. The creamy goodness of peanut butter and the delicious sweetness of the Rice Krispie treats make this sweet treat a winner every time!

Not only that, but this recipe makes the treats extra thick and gives a lot of peanut butter flavor for all of those peanut butter lovers out there. These aren’t your typical Rice Krispie treats– they’re much, much better!

What are peanut butter Rice Krispie treats made of?

Are you excited to try this sweet treat with a fun twist? With a handful of simple ingredients, you’ll soon have an easy dessert that the whole family will love! Here’s what you’ll need:

  • Salted butter
  • Mini marshmallows
  • Creamy peanut butter
  • Rice Krispie cereal (crispy rice cereal)
  • Peanut butter chips

Protip: Make it extra!

Peanut butter chips are optional but recommended. You can also use chocolate chips instead for a delicious peanut butter chocolate combo!

Two hands pull a homemade cereal bar showing gooey marshmallow strands.

Can I use chunky peanut butter for this recipe?

For this recipe, we definitely recommend using creamy smooth peanut butter. The chunky or crunchy peanut butter will not give you the consistency you need for this yummy dessert, and it may not come together as well.

Does this recipe work with natural peanut butter?

Yes! We also used natural peanut butter with this recipe, and it worked great! You shouldn’t have any issues if you’re using creamy peanut butter.

How do I make these peanut butter Rice Krispie treats?

Collage of six easy steps to make peanut butter rice krispie treats. A text overlay reads, "How to Make PB Rice Krispie Treats."
  1. Line a square baking dish and set aside. Measure out the mini marshmallows, setting one cup of them aside.
  2. Melt butter in a large saucepan. Once melted, add the mini marshmallows (minus that cup) and stir until the marshmallows are beginning to melt.
  3. Stir in the peanut butter until mixed evenly. Remove from heat.
  4. Stir in the cereal and peanut butter chips (if you’re using them).
  5. Press the treats into the prepared pan in an even layer and smooth the top.
  6. Allow your peanut butter Rice Krispie treats to cool, then slice and serve!

Storing your peanut butter Rice Krispie treats

This dessert can be stored at room temperature in an airtight container for up to 3 days. Serve at room temperature whenever you’re ready for another piece!

Protip: Parchment paper!

If you want to preslice the treats, separate them with parchment paper if you stack them up. Otherwise, they will stick together in one giant Rice Krispie treat!

Close view of a stack of three cereal bars separated by parchment paper with peanut butter chips around them.

A fun twist on a classic treat!

After trying this recipe, you’ll never want to go back to plain old Rice Krispie treats again. Your family will go nuts for this nutty flavor. The peanut butter goodness combined with the classic Rice Krispie treats taste creates an irresistible combination. Try this easy recipe today and have a new favorite dessert you can make all year long!

Want more easy desserts like this one?

A peanut butter and marshmallow cereal square stands on a parchment paper lined cooling rack with three other cereal treats stacked behind it.

Peanut Butter Rice Krispie Treats

Yield: 16 bars
Prep Time: 5 minutes
Cook Time: 10 minutes
Additional Time: 1 hour
Total Time: 1 hour 15 minutes

Peanut Butter Rice Krispie Treats are a twist on a classic recipe that your family is sure to love! These are great treats for parties, after-school snacks, and last-minute desserts.

Ingredients

  • 6 tablespoons salted butter
  • 16 ounces mini marshmallows, divided
  • 1/2 cup creamy peanut butter
  • 6 cups Rice Krispie cereal
  • 1/2 cup peanut butter chips, optional (see notes)

Instructions

  1. Line a 9"x9" baking pan with parchment paper and set aside. Measure out 1 cup of mini marshmallows and set aside.
  2. In a large pot, melt butter over low heat. Once melted, add all but the reserved 1 cup of the mini marshmallows and stir until the marshmallows are beginning to melt.
  3. Stir in the peanut butter, mixing continuously until peanut butter is distributed evenly throughout. Remove from heat.
  4. Stir in the Rice Krispie cereal, remaining 1 cup of mini marshmallows, and peanut butter chips (if using) until everything is evenly coated.
  5. Press the mixture into the baking pan gently, smoothing the top. Don’t press too hard, or they will be more difficult to eat.
  6. Allow to cool completely for at least 1 hour, then slice and serve!

Notes

  • Peanut butter chips are optional but definitely recommended. You can also use chocolate chips instead!
  • We recommend creamy peanut butter for this recipe. We've used natural and conventional peanut butter, and both worked well!
  • These keep well at room temperature in an airtight container for up to 3 days. To avoid them sticking together, slice them, then stack them with parchment paper in between.

Nutrition Information:
Yield: 16 Serving Size: 1
Amount Per Serving: Calories: 243Total Fat: 10gSaturated Fat: 4gTrans Fat: 0gUnsaturated Fat: 5gCholesterol: 11mgSodium: 163mgCarbohydrates: 36gFiber: 1gSugar: 20gProtein: 4g

At Wholefully, we believe that good nutrition is about much more than just the numbers on the nutrition facts panel. Please use the above information as only a small part of what helps you decide what foods are nourishing for you.

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