Peanut Butter Rice Krispie Treats Recipe

Get ready for your new go-to treat: Peanut Butter Rice Krispie Treats. These bars are a dreamy blend of creamy peanut butter, chewy marshmallows, and crispy cereal, coming together in a dessert that’s at once nostalgic and irresistibly craveable. Perfect for bake sales, potlucks, or tucked into lunchboxes, this recipe offers a fresh twist on a true classic. Whether you’re a devoted peanut butter fan or just looking for a simple, satisfying sweet, these treats deliver that “can’t eat just one” magic every single time.

Ingredients You’ll Need

Part of the charm of Peanut Butter Rice Krispie Treats is their short, sweet ingredient list—each component brings something essential, from delightful crunch to gooey sweetness and that unforgettable peanut butter richness.

  • Rice Krispies Cereal: The backbone of the treat, providing crisp texture and a light, airy bite that pairs perfectly with the rich base.
  • Creamy Peanut Butter: The star ingredient; opt for your favorite brand for intense flavor and silky smoothness.
  • Mini Marshmallows: These melt down to create the sweet, sticky glue that binds everything together—plus, they give the final product that classic chew.
  • Butter: Adds richness and helps melt the marshmallows evenly, creating a luscious base without sticking.
  • Vanilla Extract: Just a splash rounds out the flavors, adding depth and a warm bakery aroma.
  • Pinch of Salt: Don’t skip this! A little salt enhances the peanut butter’s natural flavor and keeps your bars from tasting flat.

How to Make Peanut Butter Rice Krispie Treats

Step 1: Prep Your Pan

Lightly grease a 9×13-inch baking dish with butter or nonstick spray, then line it with parchment paper for extra-easy removal later. This simple step means your bars will lift out cleanly and neatly, ready for slicing.

Step 2: Melt the Butter and Marshmallows

In a large, heavy-bottomed saucepan, melt the butter over medium-low heat. Once melted, add the mini marshmallows. Stir continuously with a spatula until the marshmallows are completely melted and the mixture looks smooth, luscious, and glossy.

Step 3: Stir in Peanut Butter and Vanilla

Quickly add the creamy peanut butter and vanilla extract to your melted marshmallow mixture. Stir everything together until it’s silky and well combined. This is the heart and soul of Peanut Butter Rice Krispie Treats—take a moment to inhale that delicious aroma!

Step 4: Fold in the Rice Krispies

Remove the pot from the heat and immediately pour in the Rice Krispies cereal and a pinch of salt. Working quickly but carefully, fold the mixture together so that every bit of cereal gets coated in the warm, peanut-buttery goo. Even mixing ensures perfect bars!

Step 5: Press and Set

Tip the warm mixture into your prepared pan. Using a buttered spatula or lightly oiled hands, press it down gently and evenly—don’t compact it too much or your bars could be dense. Let them cool at room temperature for at least 30 minutes before slicing into squares.

How to Serve Peanut Butter Rice Krispie Treats

Peanut Butter Rice Krispie Treats Recipe - Recipe Image

Garnishes

Sometimes, a little extra flourish takes Peanut Butter Rice Krispie Treats from great to unforgettable. Drizzle melted chocolate on top, sprinkle with crushed peanuts, or add a light dusting of flaky sea salt for an elevated finish that sets your bars apart.

Side Dishes

Pair these sweet treats with a tall glass of cold milk, a strong cup of coffee, or even some fresh fruit for a delightful contrast. For dessert tables, plate Peanut Butter Rice Krispie Treats alongside chocolate chip cookies or brownies for an all-star spread.

Creative Ways to Present

Cut your bars into fun shapes with cookie cutters, stack them high on a colorful platter, or skewer them on popsicle sticks for grab-and-go party snacks. You can even wrap individual bars in wax paper and tie them with a ribbon as delicious homemade gifts.

Make Ahead and Storage

Storing Leftovers

Keep any extra Peanut Butter Rice Krispie Treats in an airtight container at room temperature for up to four days. To prevent sticking, layer the bars with wax or parchment paper. They’ll stay perfectly chewy and ready for snacking whenever the mood strikes!

Freezing

If you’re whipping up treats ahead of time, you can freeze them. Place cut squares in a single layer on a baking sheet, freeze until solid, then transfer to a freezer bag. This way, you can store them for up to two months—just thaw at room temperature before enjoying.

Reheating

No need to reheat these bars, but if you love a gooier treat, pop a square in the microwave for five to ten seconds. The marshmallow will soften just enough and that peanut buttery aroma will waft through your kitchen all over again.

FAQs

Can I use chunky peanut butter instead of creamy?

Absolutely! Chunky peanut butter adds extra crunch and a nutty texture. The treats will be a bit heartier, but just as delicious.

How do I keep my bars from getting too hard?

Avoid pressing the mixture too firmly into the pan and be sure to use fresh marshmallows. Stale or too much compacting can make the bars dense and tough.

Can I make Peanut Butter Rice Krispie Treats gluten-free?

Yes! Simply use a gluten-free crisp rice cereal and double-check your other ingredients to be certain they’re gluten-free. The flavor and texture will still be spot on.

What if my marshmallows won’t melt smoothly?

Older marshmallows can be tricky to melt evenly. Always use fresh ones, and stir constantly over low to medium heat for the best, smoothest results.

Can I add extras like chocolate chips or pretzels?

Definitely! Stir in a handful of mini chocolate chips, chopped pretzels, or even butterscotch chips after mixing in the cereal (let the mixture cool a minute to keep chips from melting). This adds a fun twist to classic Peanut Butter Rice Krispie Treats.

Final Thoughts

I can’t wait for you to experience just how easy, delicious, and nostalgic Peanut Butter Rice Krispie Treats are. Share them with family, friends, or treat yourself—they’re a guaranteed crowd-pleaser sure to spark smiles (and recipe requests!) wherever they go.

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Peanut Butter Rice Krispie Treats Recipe

Peanut Butter Rice Krispie Treats Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 5 from 145 reviews
  • Author: Kimberly
  • Prep Time: 10 minutes
  • Cook Time: 5 minutes
  • Total Time: 15 minutes
  • Yield: 16 bars 1x
  • Category: Desserts
  • Method: No-cook
  • Cuisine: American
  • Diet: Vegetarian

Description

These Peanut Butter Rice Krispie Treats are a nostalgic, no-bake dessert bar that combines gooey marshmallows, creamy peanut butter, and crisp Rice Krispies cereal. Sweet, satisfying, and easy to make, they’re perfect for lunchboxes, potlucks, or anytime you crave a quick homemade treat.


Ingredients

Units Scale

Cereal Base

  • 6 cups Rice Krispies cereal

Marshmallow Mixture

  • 4 tablespoons unsalted butter
  • 1 cup creamy peanut butter
  • 1 (10-ounce) bag mini marshmallows (about 51/2 cups)

Optional Topping

  • 1/2 cup chocolate chips, melted (optional for drizzling)

Instructions

  1. Prepare the Pan – Line a 9×13-inch baking pan with parchment or lightly grease it. This prevents sticking and makes removal easier.
  2. Melt Butter and Peanut Butter – In a large pot over medium heat, melt the butter and peanut butter together, stirring until smooth and combined.
  3. Add Marshmallows – Stir in the mini marshmallows and cook, stirring constantly, until completely melted and gooey.
  4. Mix in Cereal – Remove the pot from heat. Immediately add the Rice Krispies cereal and gently fold until uniformly coated with the marshmallow-peanut butter mixture.
  5. Press into Pan – Transfer the mixture into the prepared pan. Use a greased spatula or wax paper to press it into an even layer—don’t compact it too much or your treats will be dense.
  6. Add Optional Chocolate Drizzle – If desired, drizzle melted chocolate over the top. Let set for 10 minutes for the chocolate to firm up.
  7. Cool and Slice – Allow treats to cool at room temperature for about 30 minutes, then slice into bars and serve.

Notes

  • For chewier treats, avoid overcooking the marshmallow mixture.
  • Try chunky peanut butter for extra texture.
  • Store in an airtight container for up to 3 days at room temperature.
  • For a vegan version, use vegan butter and marshmallows.

Nutrition

  • Serving Size: 1 bar
  • Calories: 165
  • Sugar: 10g
  • Sodium: 90mg
  • Fat: 7g
  • Saturated Fat: 2g
  • Unsaturated Fat: 4g
  • Trans Fat: 0g
  • Carbohydrates: 23g
  • Fiber: 1g
  • Protein: 3g
  • Cholesterol: 5mg

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