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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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96 Comments

  1. 5 stars
    My mother loved peanut butter, and she passed on her PB love to me. (Thank goodness there no peanut allergies in our family.) She did make PB fudge, but never the Rice Krispy treats. I can't believe that I've never made them before. These are amazing!

  2. Gotta love the '80's! I had hair like that once!

    Thank you for visiting my blog! Come back to visit any time..never know what I'll be up to!
    I'm following yours now too!

  3. You're making me very nostalgic myself lately! Doesn't help that I haven't seen my parents or brother in 2 years… 🙁 I'm going to be making some old family favorites myself this week!

  4. 5 stars
    Like others, I have never come across a PB Krispy treat, nor would I have thought it up. But these were AWESOME!!!

  5. I know four little boys who will love your krispy treats. I'm new to your blog and I can't tell you how much I've enjoyed my first visit here. I've been browsing through your earlier entries and really love the food and recipes you feature here. I'll definitely be back. I hope you have a great day. Blessings…Mary

  6. 5 stars
    I better close this page asap or i have to make these treats right now. my husband loves peanut butter and these are definitely going to trigger his sweet tooth.

  7. These look wonderful! I love PB fudge, but I don't think I've every tried adding it to the Rice Krispie Treats! I've got to give it a try.
    Thanks for sharing.
    ~Holly

  8. Mateja – I believe Marshmallow Fluff is gelatin free. I'm pretty sure the Jet-Puffed brand of marshmallow creme is gelatin free. You would probably have to use a whole jar of it to replace the amount of marshmallows used in this recipe. Still add the butter though. I hope this helps.

  9. I am a huge PB lover, but surprisingly have never tried adding it to Rice Krispy Treats! This is on my "must make" list for the next time I make goodies!

  10. 80's were my "growing pains" years too! Ohhh so long ago, can't even imagine that this summer will be already 25 years since I graduated from high school! Love the pics! We all love the Rice Krispie Treats, but we have a problem with gelatin that is an ingredient in marshmallows. Is there anything else I could use instead, maybe a thick simple syrup?

    1. Hey, Mateja,
      My sister just convinced my partner and I to bring home these marshmallows she bought- the brand is Dandies- they are marketed as “all-natural” and vegan because they do not contain gelatin. I’m guessing she found them at Whole Foods. I haven’t tried the recipe with them, so I’m not sure how it would turn out. Just wanted to share that info.

  11. These look amazing……I have to make them. What a great story too. My husband does the "swan man" on me practically smashing my lungs, so I understand the whole steamroll thing:) And the hair……I love it! Man them 80's were something else:) Thanks for the great recipe:)

  12. Thanks for the great comments everyone! I guess this post totally gives away my age, but hey, it is what it is. I'm not growing older, just wiser (I hope!) Haley – glad you get my sense of humor!

  13. this recipe looks great. I'll be trying it for my children. thank you for your wonderful comments at my blog. I hope you enjoy the pulled pork if you give it a try!