Peanut Butter Rice Krispie Treats

Make these quick and easy, chewy peanut butter rice krispie treats with a few simple ingredients that'll be a favorite for kids and adults alike. Perfect for the peanut butter lover.
Have Questions or Need More Details?

Don't forget to check out the Tips & FAQ section in the post!

Peanut butter rice krispie treats stacked on a white platter.

Make these quick and easy, chewy peanut butter rice krispie treats with a few simple ingredients that’ll be a favorite for kids and adults alike. Perfect for the peanut butter lover.

Peanut butter rice krispie treats stacked on a white platter.

If you’re a fan of peanut butter and love rice krispy treats, then this is the perfect combination for you.

Pin image with close up of peanut butter rice krispie treats.

Hey there! Before you scroll, there are lots of helpful things in this post…including an FAQ section, which may answer any questions you might have about this recipe. Enjoy!

Table of Contents:

These really are a fun twist to the classic homemade Rice Krispie Treats but with peanut butter. They’re no-bake treats and are perfect for a quick snack or dessert, and sure to be a hit with the whole family.

Whether you’re making them for a party, a picnic, or just for a snack, they’re a real crowd-pleaser that everyone will love.

Close up of peanut butter rice krispie treats on a white plate.

Ingredient Notes:

Now let’s talk about just some of the ingredients in these peanut butter marshmallow rice krispie treats. (The printable list of all ingredients are in the recipe card below.)

Mini marshmallows: You’ll need 10 ounces of mini marshmallows for this recipe. This is what will make these treats gooey and hold everything together.

Butter: Don’t skip the butter as this is what gives it a nice hint of buttery flavor.

Vanilla extract: This gives just a nice hint of vanilla flavor and really takes these treats to the next level.

Rice Krispies cereal: Of course, you’ll need rice crispy cereal for these and you can use either the store-brand or the name brand.

Mini chocolate chips: This is optional if you want to add a bit of chocolatey fun to your treats.

(Make sure to check out the FAQ section below in this post for ingredient and substitution questions.)

Top view of rice krispie treats on a white platter.

How to make these treats:

Let’s talk about how to make peanut butter rice krispie treats. (The printable instructions are in the recipe card below.)

Step 1:

First, spray a 13×9 inch baking dish with non-stick spray and set it aside.

13x9 inch glass pan sprayed with baking spray.

Step 2:

Now add 6 cups of rice crispy cereal to a very large bowl and set it aside.

Step 3:

Next, take a large saucepan and add the butter, then melt over medium heat. After the butter has melted, add the marshmallows and peanut butter and melt. Stir frequently until it’s all melted.

Peanut butter, butter and marshmallow mixture in a saucepan.

Step 4:

Remove the pan from the heat and mix in the vanilla extract.

Step 5:

Now add the marshmallow mixture to the bowl with the rice krispie cereal and mix well with a large spoon or a silicone spatula.

You can spray the spatula or spoon with non-stick cooking spray and that can help. At some point though, you’ll probably need to use clean hands to mix if the mixture gets too firm.

Mixture of rice crispy cereal with marshmallows and peanut butter and a spoon in a bowl.

Step 6:

This is the point to add in mini or regular chocolate chips if you want.

Step 7:

Now spread the mixture into the sprayed 13×9 inch pan and press down a little.

Rice crispy mixture with peanut butter pressed into a baking dish.

Step 8:

If you want a chocolate topping, you can always melt some chocolate and drizzle it over the top.

Step 9:

Once the bars cool, cut into squares and serve.

Peanut butter rice krispie treats cut into squares in a baking dish.

(Remember that the instructions will also be in the recipe card below.)

Peanut butter rice krispie treats stacked on a white platter.

Peanut Butter Rice Krispie Treats

Make these quick and easy, chewy peanut butter rice krispie treats with a few simple ingredients that’ll be a favorite for kids and adults alike. Perfect for the peanut butter lover.
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Course: Dessert
Cuisine: American
Keyword: peanut butter rice krispie treats
Prep Time: 15 minutes
Total Time: 15 minutes
Servings: 16 squares
Calories: 148kcal
Author: Kara @ Quick and Easy Baking

Ingredients

  • 10 ounces mini marshmallows
  • 4 tablespoons butter
  • 1/2 cup creamy peanut butter
  • 1 teaspoon vanilla extract
  • 6 cups Rice Krispies cereal
  • 1 cup mini or chocolate chips (optional)
  • melted chocolate for drizzling (optional)
Have questions?Make sure to check out the Tips & FAQ section in the post!

Instructions

  • Spray a 13×9 inch baking dish with non-stick spray and set aside.
  • Add 6 cups Rice Krispies cereal to a very large bowl and set aside.
  • In a large saucepan, add the butter and melt over medium heat.
  • After the butter has melted, add the marshmallows and peanut butter and melt. Stir frequently.
  • Remove the pan from the heat and mix in the vanilla extract.
  • Add the marshmallow mixture to the bowl with the rice krispie cereal and mix well with a large spoon or a silicone spatula. It helps to spray the spatula or spoon with non-stick cooking spray. You may need to use clean hands to mix if the mixture gets too firm.
  • Add in mini or regular chocolate chips if desired at this point.
  • Spread into the sprayed 13×9 inch pan and press down a little.
  • Drizzle the top with melted chocolate if desired.
  • Once cooled, cut into squares and serve.

Notes

How to Store: Keep in the 13×9 inch baking dish and cover with plastic wrap, or place squares into an airtight container. These treats are best eaten within 2-3 days.
For other questions: Make sure to check out the TIPS & FAQs for this recipe in the blog post, which should answer questions you may have about ingredients, substitutions, etc. Nutritional values are an estimate.
Nutritional values are an estimate. Nutritional values do not include chocolate chips or chocolate drizzle.
*This recipe card may contain affiliate links. As an Amazon Associate, I earn from qualifying purchases.

Nutrition

Calories: 148kcal | Carbohydrates: 25g | Protein: 3g | Fat: 4g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Trans Fat: 0.001g | Cholesterol: 0.4mg | Sodium: 108mg | Potassium: 65mg | Fiber: 0.4g | Sugar: 12g | Vitamin A: 705IU | Vitamin C: 7mg | Calcium: 9mg | Iron: 3mg
Baking at higher elevation?You’ll need to make adjustments for high elevations. This website does not specialize in that type of baking. Please take time to research high elevation baking websites for adjustments that should be made.
DislaimersTo see food safety, allergy & nutrition disclaimers, go here: Disclaimers!

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Tips & FAQs:

Can I use the large marshmallows?

Yes, probably. I don’t think that would be a problem, just make sure the amount of ounces you use is the same that the recipe calls for.

Can I use margarine instead of butter?

That might work, but I can’t be sure. Butter will give you the best flavor though.

Should I use unsalted or salted butter?

Either works fine in this recipe.

Can I use natural peanut butter?

Maybe although I haven’t tried that out.

Do I have to use creamy peanut butter? Can I use chunky?

Yes, you can use chunky peanut butter if you prefer it.

Do I have to add the vanilla extract?

No. If you don’t have it, you can omit it.

Do I have to add the mini chocolate chips?

No. Feel free to omit the chocolate.

How do I store these and how long do they last?

Keep these treats in the 13×9 inch baking dish and cover with plastic wrap, or place squares into an airtight container. These treats are best eaten within 2-3 days.

Close up of marshmallow rice crispy cereal treats on a white platter.

Video:

Supplies used for this recipe:

This post contains affiliate links. As an Amazon Associate, I earn from qualifying purchases. 

Collage pin graphic with images of peanut butter rice crispy treats and text overlay.
Kara

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