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Home · Recipes · No Bake · Peanut Butter Rice Krispie Treats

Published: Jun 27, 2019 by Kelly Anthony · 20 CommentsThis post may contain affiliate links. Read our disclosure policy.

Peanut Butter Rice Krispie Treats

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Rice Krispie Treats are a childhood favorite that have stood the test of time, and they're bound to go over well with any generation. But, as much as we all love that classic rendition, there's one simple ingredient that can make them even better. Even more beloved. That ingredient is peanut butter. Peanut Butter Rice Krispie Treats are just as easy to make as their gooey predecessor, and they come together just as quickly.

Today, in addition to a gooey, soft and stretchy Peanut Butter Rice Krispie Treat, we'll also cover:

  • Options for making them on the stovetop and the microwave!
  • Tips for keeping them soft and gooey.
  • The one thing you should do to avoid making them hard and overly chewy!
  • Plus, how to store them, along with freezing tips and even how to package them for gifting!

If you love marshmallow treats, be sure to add these Chocolate Rice Krispie Treats to your baking lineup!

Two Peanut Butter Rice Krispie Treats stacked on top of each other on a white plate. Behind the plate is a small bowl of peanut butter with a jar of JIF peanut butter behind that.

MARSHMALLOWS AND PEANUT BUTTER

Marshmallows and peanut butter go hand in hand. In fact, they go together so well, there's even a sandwich named after the combo -- Fluffernutters anyone? We think it's safe to say, you'll enjoy the combination just as much in Rice Krispie Treat form. These delicious Peanut Butter Rice Krispie Treats come well equipped with extra marshmallows and a little extra flavor thanks to the addition of salty-sweet peanut butter. They're soft, gooey, and would rival the quality of any bakery rendition.

PEANUT BUTTER RICE KRISPIE TREATS INGREDIENTS

  • Rice Krispie Cereal
  • Miniature Marshmallows - The Rice Krispie to marshmallow ratio makes all the difference in the world when it comes to a perfectly gooey and soft Rice Krispie Treat. This recipe was developed with extra marshmallows to ensure a bakery-style marshmallow treat you can easily make at home! In addition to this, the extra marshmallows added after the Rice Krispies are mixed in helps to make them pillowy soft. A dreamy combination with the crisp of the rice cereal.
  • Peanut Butter - The only difference between making a classic batch of Rice Krispie Treats and Peanut Butter Rice Krispie Treats is the addition of peanut butter. Use only standard, creamy peanut butter such as Jif or Peter Pan brand.
  • Unsalted Butter - Do not use salted butter. Your Rice Krispie Treats would be far too salty.
  • Vanilla Extract - This simple addition is the difference between an "ok" Rice Krispie Treat and a stellar one. Use pure vanilla extract for best results. 
  • Salt - Salt helps to bring out the flavor in everything, but especially in desserts. 

Peanut Butter Rice Krispie in a white casserole dish. Behind the dish is a bowl of the ingredients used to make the dessert.

HOW TO MAKE PEANUT BUTTER RICE KRISPIE TREATS

  1. Melt the Butter and Marshmallows - The first step in making homemade Peanut Butter Rice Krispie Treats is to melt the butter. If you are making your treats on the stovetop, you'll want to melt the butter over medium heat to prevent it from browning too quickly. As soon as your butter has melted, you'll add the of the majority marshmallows (not all of them) and stir until the marshmallows are melted and blended.
  2. Add the Peanut Butter, Vanilla and Salt - Once the marshmallows and butter are melted and combined, the peanut butter goes in. In addition to the peanut butter, you'll also add the vanilla extract and salt at this point.
  3. Add the Rice Krispies - After you've whipped up your peanut butter-marshmallow sauce, the Rice Krispies go in. This is as simple as adding and stirring, but be sure you actually measure the cereal. Add the Rice Krispie cereal and the extra marshmallows and stir.
  4. Add to Casserole Dish - Lastly, you'll transfer the mixture to a buttered (or oiled) casserole dish, and gently press them into bar form. "Gently" is the keyword here. You'll want to use buttered hands for this. It's a sticky job.
  5. Set - The Peanut Butter Rice Krispie Treats will take anywhere from 30-45 minutes to set, depending on the temperature and humidity level in your kitchen.

A close up shot of two Peanut Butter Rice Krispie stacked on top of each other on a white plate.

HOW TO MAKE RICE KRISPIE TREATS IN THE MICROWAVE

You can also prepare Peanut Butter Rice Krispie Treats using the microwave! Instead of melting the butter and marshmallows in a large pot on the stovetop...

  1. Add butter and marshmallows to your largest microwave-safe bowl, and microwave at 45-second intervals until melted.
  2. Stir in the peanut butter, vanilla, and Kosher salt.
  3. Add the Rice Krispies to a large mixing bowl, pour the marshmallow mixture over, and stir. Add the remaining marshmallows and stir once more.

WHY ARE MY RICE KRISPIE TREATS HARD?

If your Rice Krispie Treats are hard, pressing them with too much vigor into the prepared pan is likely the culprit. Save those muscles for another task, and use light hands for this process. Stop pressing as soon as the top is level.

A Peanut Butter Rice Krispie square being held by a spatula over a white casserole dish.

HOW TO STORE RICE KRISPIE TREATS

Store your Peanut Butter Rice Krispie Treats in an airtight container at room temperature. The snugger, the better. Rice Krispie Treats will start to turn stale and lose their freshness after about 3-4 days, but no worries if you've got goodies leftover beyond this point -- you can freeze them!

YOU CAN FREEZE RICE KRISPIE TREATS!

If you’d like to make your marshmallow treats in advance, you can make a batch, and place them in a freezer-safe, snug airtight container, separating the layers with sheets of wax paper. It also doesn't hurt to place wax paper on the bottom of your storage container -- these treats are a little sticky! Store in the freezer for up to 2 months.

GIVING AS A GIFT?

These Peanut Butter Rice Krispie Treats are beautifully speckled throughout with white fluffy marshmallows, and their quality rivals those you'll find at any professional bakery, making them a stellar gift idea. But, packaging them may have you a little stumped.

To package Rice Krispie Treats for a gift, stack them in a cellophane bag (found in the baking section of specialty craft stores like Michael's or Hobby Lobby), and separate each treat with a small, cut-out square of wax paper or parchment paper. Cut your squares relatively the same size as the Rice Krispie Treats.

Then, tie the baggie with a twist tie and finish it off with a festive ribbon!

An overhead shot of a Peanut Butter Rice Krispie square.

You will love these gooey, soft Peanut Butter Rice Krispie Treats! The simple, delicious additions of peanut butter and extra marshmallows are a great way to breathe new life into a classic childhood favorite. A delicious treat gladly received by all! Please, enjoy!

5 MORE PEANUT BUTTER DESSERTS YOU’LL LOVE

  • Classic Peanut Butter Cookies are thick, soft, and practically melt in your mouth with every single bite.
  • Thumbprint Hershey Kiss Cookies are miniature, bite-sized cookies with the perfect cookie-to-kiss ratio!
  • Peanut Butter Cookies Dipped in Chocolate are the all-time, ultimate homemade gift for the peanut butter lover!
  • Cap’n Crunch No Bake Peanut Butter Pie features a Golden Oreo and Cap’n Crunch crust and a peanut butter pie filling made with salted caramel and cream cheese! The perfect make-ahead party dessert!
  • Peanut Butter Butterfinger Blondies are dressed up for Halloween, but can be made any time of year! A blondie decked out with peanut butter, crushed Butterfinger candy, and a drizzle of dark chocolate.
Peanut Butter Rice Krispie Treats
Print Recipe
4.86 from 14 votes

Peanut Butter Rice Krispie Treats

The best soft and gooey Peanut Butter Rice Krispie Treats made in a flash with this simple and delicious recipe!
Prep Time5 minutes mins
Cook Time5 minutes mins
Total Time10 minutes mins
Course: Dessert
Cuisine: American
Keyword: Peanut Butter Rice Krispie Treats
Servings: 12
Calories: 323kcal
Author: Kelly Anthony

Ingredients

  • 8 tablespoons unsalted butter
  • 10 ½ cups miniature marshmallows, separated (just under 2 packages)
  • ½ cup creamy peanut butter
  • 1 teaspoon pure vanilla extract
  • ½ teaspoon Kosher salt
  • 6 cups Rice Krispies Cereal

Instructions

  • Have ready a greased 9x13" casserole dish.
  • Add the butter to a large pot over medium heat and melt. As soon as the butter has melted, add 8 cups miniature marshmallows and stir until melted and combined. Turn off the heat and stir in the peanut butter, vanilla, and salt.
  • Add the Rice Krispies to the pot and stir to combine, then stir in the remaining 2 ½ cups of marshmallows and stir to evenly distribute. 
  • Transfer the contents of the pot to the prepared casserole dish, and with greased hands, gently press down to smooth over the top. Do not press hard or the marshmallow treats will be tough.
  • Allow to set, about 30-45 minutes. Cut into 12-16 squares, serve, and enjoy!

Video

Notes

You can also prepare this recipe using the microwave! To do so, eliminate steps 2 and 3. 
  1. Add the butter and 8 cups of marshmallows to your largest microwave-safe bowl. Microwave at 45-second intervals, stirring after each stint in the microwave. Should take between 2-3 minutes.
  2. Once the marshmallows are melted, stir in the peanut butter, vanilla, and Kosher salt. 
  3. Add the Rice Krispies to a large mixing bowl, pour over the marshmallow mixture, and stir. Add the remaining 2 ½ cups of marshmallows and stir once more. Pick back up to step 4.

Nutrition

Calories: 323kcal | Carbohydrates: 49g | Protein: 4g | Fat: 13g | Saturated Fat: 6g | Cholesterol: 20mg | Sodium: 256mg | Potassium: 87mg | Sugar: 27g | Vitamin A: 1165IU | Vitamin C: 8.8mg | Calcium: 8mg | Iron: 4.6mg

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Peanut Butter Rice Krispie Treats with Marshmallows
Peanut Butter Rice Krispie Treats
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Comments

  1. Lathiya says

    December 27, 2018 at 3:14 am

    Peanut butter Rice Krispie treats looks delicious...with marshmallows in it, am all set to try this

    Reply
  2. Jayashree says

    December 27, 2018 at 6:33 am

    These crispies look so delicious and ideal snacks for kids during holidays. Lovely share.

    Reply
    • Kelly Anthony says

      December 27, 2018 at 4:23 pm

      Thank you so much, Jayashree!

      Reply
  3. Jillian says

    December 27, 2018 at 7:00 am

    Rice Krispies just got tastier with this recipe! Delish!

    Reply
  4. Brian Jones says

    December 27, 2018 at 8:14 am

    Wow that is some insane level of rice krispie cake, growing up we just melted chocolate 😀 I must give these a try.

    Reply
  5. Natalie says

    December 27, 2018 at 8:33 am

    I love rice krispie treats! They look so delicious!

    Reply
  6. Demeter says

    July 25, 2019 at 12:09 pm

    Such a delicious twist on a classic! The addition of peanut butter kicks the flavor up a notch. Love it!

    Reply
  7. Jocelyn says

    July 25, 2019 at 12:23 pm

    I love anything peanut butter so these are right up my alley.

    Reply
    • Kelly Anthony says

      July 26, 2019 at 10:28 am

      Thank you, Jocelyn!

      Reply
  8. Julia says

    July 25, 2019 at 1:20 pm

    I had no idea you can also freeze rice krispie treats! Love the addition of peanut butter 🙂

    Reply
  9. Sara Nelson says

    July 25, 2019 at 2:01 pm

    This is honestly my entire childhood wrapped into one dessert!!! This recipe is AMAZING!

    Reply
    • Kelly Anthony says

      July 26, 2019 at 10:28 am

      That's so sweet! Thank you, Sara!

      Reply
  10. Toni says

    July 25, 2019 at 2:21 pm

    My kids can't stop eating these! They loved it!

    Reply
  11. Jocelyn (Grandbaby Cakes) says

    July 29, 2019 at 2:32 pm

    I love the fun peanut butter flavor in these treats!

    Reply
  12. Alison says

    July 29, 2019 at 3:00 pm

    With peanut butter and rice crispie treats combined my kids will go nuts for this! I didn't realize you could freeze them. What an easy way to store them.

    Reply
    • Kelly Anthony says

      July 29, 2019 at 4:18 pm

      Thank you, Alison!

      Reply
  13. Suzy says

    July 29, 2019 at 3:12 pm

    I am all about the rice krispie treats! Love that they are no bake and fun for the kids to help with! The added peanut butter sounds so good!

    Reply
  14. Catherine says

    July 29, 2019 at 3:16 pm

    Such a childhood classic...who doesn't love Rice Krispie treats?! The addition of the peanut butter is perfect...need to try it next time!

    Reply
    • Kelly Anthony says

      July 29, 2019 at 4:17 pm

      Thanks, Catherine!

      Reply
  15. Raia Todd says

    July 29, 2019 at 3:18 pm

    What a fun twist on rice krispie treats! Thanks for the recipe. 🙂

    Reply
4.86 from 14 votes (1 rating without comment)

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I’m Kelly Anthony — a baker, home chef, and mom with a passion for food and an adoration for entertaining.

Comfort food is my specialty, and it is truly my pleasure to share these recipes with you. If you’d like to get to know me a little better, click here.

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