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Peanut Butter Rice Krispies Treats (+Video)

Peanut Butter Rice Krispies Treats are the ultimate childhood favorite. This recipe is special because it keeps the treats gooey and soft!

PERFECT GOOEY PEANUT BUTTER TREAT

My Mom is a peanut butter nut (pun intended!) She loves peanut butter cookies and of course, she couldn’t pass up the chance to put peanut butter in Rice Krispies treats. When you grow up eating things a certain way, you just become accustomed to it. So now, this is the only way I like to eat them. I think my particular recipe for these is the absolute perfect balance between chewy and crunchy and peanut butter.

pictured: stacked peanut butter Rice Krispies bar on parchment paper with mini marshmallows scattered around them

FREQUENTLY ASKED QUESTIONS:

Can I use other cereals with this recipe?

I have made this recipe with the store brand cereal, marshmallows, butter and peanut butter and these treats still turn out delicious. You do not need to use name brand. Also, Cocoa Krispies work perfectly with this recipe too!

What if I want a thicker bar?

If you prefer a slightly thicker bar, use an 8×8 baking dish instead of a 9×13 baking dish like I do with my Fruity Pebbles Treats.

How so I store Rice Krispies treats?

As with all Rice Krispies treats, they are best eaten the day they are made.
Store in an airtight container if you don’t eat them all the same day. I like to warm them up in the microwave for about 5-10 seconds when they start getting a little stale.

Peanut Butter Rice Krispies treats recipe from The country Cook, pictured with hand holding a Rice Krispies treats bar with a bottle of milk in the background

INGREDIENTS NEEDED: (FULL RECIPE AT THE BOTTOM OF THE POST)

  • butter
  • mini marshmallows
  • creamy peanut butter
  • Rice Krispies cereal

HOW TO MAKE PEANUT BUTTER RICE KRISPIES TREATS:

Spray a 9″x 13″ (or 8 x 8″ for thicker bars) dish with nonstick cooking spray. In a 4 quart sauce pan, melt butter on low heat. Do this slowly, you don’t want burnt or brown butter here.

melted butter in the bottom of a white pot

Once butter has melted, keep heat on low and add mini marshmallows.

mini marshmallows added to melted butter in large pot

Once marshmallows begin to soften and melt, add peanut butter.

creamy peanut butter added to melted marshmallows and butter in a sauce pot

At this point, you will need to constantly stir the mixture so the peanut butter does not burn and the marshmallows can evenly melt (won’t take too long, about 5 minutes or so.)

completely combined, peanut butter, marshmallows and butter being stirred with a white spatula in a pot

Once, mixture is combined and melted, turn off heat and remove pan from stove.

rice Krispy cereal added to the large pot once it is removed from the heat

Add Rice Krispies cereal to sauce pan and stir until evenly coated with mixture. This is sticky stuff so do your best to get it all combined.

completely combined Rice Krispies, peanut butter, butter and marshmallows in a large pot stirred with a white spatula

Add Rice Krispies cereal to sauce pan and stir until evenly coated with mixture. This is sticky stuff so do your best to get it all combined. Pour mixture into casserole dish (it will look very loose). Spray your hand with some nonstick cooking spray and pat down the mixture until firmly compacted. 

Peanut Butter Rice Krispies Treats in a pan before being sliced

Allow 30-45 minutes for treats to set up.

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Peanut Butter Rice Krispies Treats

Peanut Butter Rice Krispies Treats (+Video)

Peanut Butter Rice Krispies Treats are the ultimate childhood favorite. This recipe is special because it keeps the treats gooey and soft!
4.92 from 86 votes
Print Pin Rate
Prep Time: 10 minutes
Cook Time: 5 minutes
Total Time: 15 minutes
Servings: 8

Ingredients

  • 4 Tablespoons salted butter
  • 5 cups mini marshmallows
  • ½ cup creamy peanut butter
  • 5-¾ cups Rice Krispies

Instructions

  • Spray an 9"x 13" (or 8"x 8" for thicker bars) casserole dish with nonstick cooking spray.
  • In a 4 quart sauce pan, melt butter on low heat. Do this slowly, you don’t want burned or brown butter here.
  • Once butter has melted, keep heat on low and add mini marshmallows.
  • Once marshmallows begin to soften and melt, add peanut butter.
  • At this point, you will need to constantly stir the mixture so the peanut butter does not burn and the marshmallows can evenly melt (won’t take too long, about 5 minutes or so).
  • Once, mixture is combined and melted, turn off heat and remove pan from stove.
  • Add rice krispy cereal to sauce pan and stir until evenly coated with mixture. This is sticky stuff so do your best to get it all combined.
  • Pour mixture into casserole dish (it will look very loose.) Spray your hand with some nonstick cooking spray and pat down the mixture until firmly compacted.
  • Allow 30-45 minutes for treats to set up.

Video

YouTube video

Notes

  • If you prefer a slightly thicker bar, use an 8×8-inch baking dish.
  • Also, for all you budget-conscious shoppers, I have made this recipe with the store brand cereal, marshmallows, butter and peanut butter and these treats still turn out delicious.
  • If you’re a Krispies treats purist, just leave out the peanut butter, they’ll still be gooey.
  • As with all Rice Krispies treats, they are best eaten the day they are made.
  • Store in an airtight container if you don’t eat them all the same day. I like to warm them up in the microwave for about 5-10 seconds when they start getting a little stale.
Course: Dessert
Cuisine: American

Nutrition

Calories: 321kcal | Carbohydrates: 45g | Protein: 6g | Fat: 14g | Sodium: 255mg | Fiber: 1g | Sugar: 21g

Nutritional Disclaimer

“The Country Cook” is not a dietician or nutritionist, and any nutritional information shared is an estimate. If calorie count and other nutritional values are important to you, we recommend running the ingredients through whichever online nutritional calculator you prefer. Calories and other nutritional values can vary quite a bit depending on which brands were used.

Did you make this recipe?Share it on Instagram @thecountrycook and mention us #thecountrycook!

Originally published: January 2011
Updated & republished: June 2020

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Recipe Rating




96 Comments

  1. 5 stars
    I can cook/bake about anything. But rice krispy treats NEVER turn out for me, until now! These turned out absolutely perfect & tasted amazing!thanks!!

  2. 5 stars
    Oh my , they are off the chain. I had them in school and when u saw your recipe , I said that’s it and made them . Took me way back . Thanks for sharing.

  3. Really want to make these but only have regular sized marshmallows. Does 5 cups of mini equal 1 bag of the regular?

  4. 5 stars
    I’m 64 and I never knew people ate Rice krispie treats w/o peanut butter. They use to make then that way in our school lunches in the public schools. So, I’m sure you understand why I consider the peanut butter ones as the original ones. I don’t like the commercially made ones at all. So, thank-you for the recipe! I do appreciate it.

    1. I’m only 46 but that is how they made them at our elementary school. They were my favorite! I’ve tried to duplicate them, but they just don’t taste the same. I’m not even sure if they even had marshmallows in them.

  5. 5 stars
    I just followed your recipe but pushed a bunch of Sixlets into it. Why let that Easter candy go to waste, right? Thanks for sharing!

  6. 5 stars
    These are really good using cocoa krispies or cocoa pebbles. Chocolate and peanut butter, yum!
    Thanks for the revipe.

  7. I’d like to make these a day ahead for an event, have you tried reducing the amount of cereal for more chewyness, or…? Or do they stay nice & chewy for a day or 2 anyway? Thanks!

  8. 5 stars
    Love these things! I have made them also with additional add-ins from time to time.. crunchy PB instead of creamy, adding some crushed dry roasted peanuts, even coconut one time..all delicious! Now, I'm craving them!

  9. My mom used to make peanut butter Rice Krispie treats. She used government peanut butter and it was the only thing government peanut butter was ever useful for as, thick as spackling, you couldn't even spread it on bread. It lent a certain flavor that none of the name brand peanut butters can quite achieve. They sure were delicious!

  10. 5 stars
    Before you spread them in the pan, try adding about half a bag of chocolate chips as well. Don's mess too much or the chips will melt, but that's not bad either! Double yum!

  11. thanks for posting this recipe. it sounds so yummy. I look forward to making it for my peanut butter loving husband 🙂

  12. O Yeah! Your Krispies treats are totally different from mine. I'm not an American, my husband is, so I'm trying to learn all those foods that he likes or he used to have as a child. I'm curious myself how it tastes! So far I've learnd so many different ways to use Peanut Butter. That's just crazy 😉
    The next thing I've dicovered are Rice Krispies…
    Anyway, thanks for sharing this recipe, looks delicious!

  13. 5 stars
    Yum…this is one of my childhood favorite! So glad you put peanut butter in it for a twist! 🙂 I'm going to try it soon.

  14. This recipe looks delicious. I do something similar using mars chocolate bars, and my kids love them. I will give you the recipe in the near future. Thank you for sharing this recipe version with us.

  15. I love peanut butter and the husband loves rice krispies – these sound like a match made in heaven!