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If you’re on the lookout for a delightful yet simple dessert that whisks you back to your childhood but with a nutty twist, look no further than this Peanut Butter Rice Krispie Treats Recipe. Combining the classic crispy crunch of Rice Krispies with the creamy, rich goodness of peanut butter and gooey marshmallows, these treats are a perfect balance of texture and flavor. They’re incredibly easy to make, utterly addictive, and guaranteed to bring smiles at any gathering or quiet night in.

Ingredients You’ll Need
This recipe shines in its simplicity, relying on just a handful of pantry staples that blend beautifully together. Each ingredient plays a crucial role, whether adding flavor, binding the mixture, or creating that iconic crispy texture you love.
- Unsalted butter (3 Tablespoons): Provides a smooth, rich base and helps melt the marshmallows evenly without overpowering the flavor.
- Mini marshmallows (6 ½ cups, divided): The sweet, gooey star of the show that gives these treats their signature chewiness.
- Creamy peanut butter (½ cup): Adds a luscious nutty depth that elevates the classic treat and makes it irresistibly rich.
- Vanilla extract (½ teaspoon): Enhances the overall flavor by adding a warm, aromatic note that complements peanut butter perfectly.
- Rice Krispies cereal (6 cups): The crunchy and crispy element that gives the treat its playful texture.
- Kosher salt (¼ teaspoon): Just a pinch to balance the sweetness and intensify the flavors for a well-rounded bite.
How to Make Peanut Butter Rice Krispie Treats Recipe
Step 1: Prepare Your Pan
Start by lightly greasing a 9×9-inch pan with nonstick spray or lining it with parchment paper. This step will ensure your treats come out easily without sticking or crumbling, setting you up for a flawless presentation.
Step 2: Melt the Butter
Place 3 tablespoons of unsalted butter in a large pot over low heat, stirring gently until it melts completely. This gentle gentle warming creates a luscious base that will melt the marshmallows perfectly without burning them.
Step 3: Melt the Marshmallows
Add 5 ½ cups of mini marshmallows to the melted butter. Stir constantly to coax them into a smooth, creamy mixture. The gooey marshmallow blend is what holds everything together, so this step is crucial for that perfect chewiness.
Step 4: Stir in Peanut Butter, Vanilla, and Salt
Remove your pot from heat and fold in the creamy peanut butter, vanilla extract, and kosher salt. This is the magic moment where flavor deepens and the salty and sweet components create a crave-worthy harmony.
Step 5: Add the Rice Krispies Cereal
Gradually fold 6 cups of Rice Krispies cereal into the marshmallow mixture. Mixing gently to coat each crisp rice kernel ensures a light, airy texture, preventing clumps or sogginess.
Step 6: Fold in Remaining Marshmallows
Carefully incorporate the last cup of mini marshmallows to add an extra dimension of marshmallow pockets throughout the treats. Folding them gently keeps them whole, offering delightful surprises in every bite.
Step 7: Transfer and Press the Mixture
Pour the mixture into your prepared pan and press it down evenly using a greased spatula or lightly buttered hands. Apply just enough pressure to hold the treats together but not so much that they become dense — the goal is light, crisp squares with perfect chew.
Step 8: Cool and Slice
Let the treats set at room temperature for 1 to 2 hours, or chill them in the refrigerator for 30 to 40 minutes if you’re eager to dig in sooner. Once firm, slice into 12 squares or whatever size you prefer, and prepare to enjoy your homemade bliss.
How to Serve Peanut Butter Rice Krispie Treats Recipe

Garnishes
To elevate your Peanut Butter Rice Krispie Treats Recipe, try sprinkling a few mini chocolate chips or crushed peanuts on top before the mixture sets to add a little extra texture and a burst of flavor. Drizzling melted chocolate or a swirl of honey post-slicing creates a fun, decorative touch that makes these treats party-ready.
Side Dishes
Pair these sweet and salty treats with a cold glass of milk or a creamy vanilla ice cream sundae for a classic combination that never disappoints. Alternatively, serve alongside fresh fruit for contrast — the tartness balances the richness beautifully, making every bite more intriguing.
Creative Ways to Present
For a fresh twist, cut the treats into fun shapes using cookie cutters, making them perfect for themed parties or kid-friendly snacks. Wrap individual squares in colorful wax paper or place them on pretty plates topped with edible flowers for elegant gift ideas or a charming dessert display at gatherings.
Make Ahead and Storage
Storing Leftovers
Keep your treats fresh by storing them in an airtight container at room temperature for up to 3 days. Avoid refrigeration unless necessary, as it can dry them out and affect that perfect chew and crunch balance you worked so hard to achieve.
Freezing
If you want to make these treats in advance or keep them around longer, wrap individual squares tightly in plastic wrap and place them in a freezer-safe container. They freeze well for up to 1 month and can be thawed at room temperature before enjoying.
Reheating
Though these treats are delightful cold or at room temperature, if you want to enjoy them warm, simply microwave a square for 10-15 seconds. This softens the peanut butter and marshmallow, giving a freshly made feel that’s ridiculously satisfying.
FAQs
Can I substitute crunchy peanut butter for creamy in this Peanut Butter Rice Krispie Treats Recipe?
Absolutely! Using crunchy peanut butter will add an extra nutty texture that complements the crispy cereal nicely. Just be aware it might change the mouthfeel slightly, but it’s a delicious variation worth trying.
What can I use if I don’t have mini marshmallows on hand?
You can chop regular-sized marshmallows into smaller pieces to mimic the mini size. They may take a few moments longer to melt, so keep the heat low and stir carefully to prevent burning.
Is there a best way to press the mixture into the pan?
Yes! Use a greased spatula or butter your hands lightly to prevent sticking. Press gently but firmly to avoid compressing the treats too much — keeping them airy is key for that perfect texture.
Can I make this recipe vegan or allergy-friendly?
For a vegan option, you’d need to use plant-based butter, vegan marshmallows, and ensure the peanut butter contains no additives. Keep in mind texture and flavor might vary, but it’s possible to adapt.
How long do Peanut Butter Rice Krispie Treats stay fresh?
When stored properly in an airtight container at room temperature, these treats stay soft and delicious for about 3 days. After that, they may start to dry out or harden.
Final Thoughts
There’s something incredibly comforting about the classic Rice Krispie treat, and when you add peanut butter, it transforms into a nostalgic yet exciting treat that’s hard to resist. I genuinely hope you give this Peanut Butter Rice Krispie Treats Recipe a try — it’s easy, fun to make, and a guaranteed crowd-pleaser that brings warmth and smiles every time.
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Peanut Butter Rice Krispie Treats Recipe
- Prep Time: 10 minutes
- Cook Time: 10 minutes
- Total Time: 20 minutes
- Yield: 12 squares
- Category: Dessert
- Method: Stovetop
- Cuisine: American
Description
Deliciously gooey and crunchy Peanut Butter Rice Krispie Treats, combining classic marshmallow goo, creamy peanut butter, and crispy rice cereal for a perfect no-bake snack or dessert. Easy to make and ready in just 20 minutes, these treats are perfect for kids and adults alike.
Ingredients
Base Ingredients
- 3 Tablespoons unsalted butter
- 6 ½ cups mini marshmallows (divided)
- ½ cup creamy peanut butter
- ½ teaspoon vanilla extract
- 6 cups Rice Krispies cereal
- 1/4 teaspoon kosher salt
Instructions
- Prepare the Pan: Lightly grease a 9×9-inch pan with nonstick spray or line it with parchment paper for easy release. Set aside.
- Melt Butter: Melt the butter in a large pot over low heat, stirring occasionally to avoid burning.
- Melt Marshmallows: Add 5 ½ cups of mini marshmallows to the melted butter. Stir constantly until the marshmallows are fully melted and smooth.
- Add Flavorings: Remove the pot from heat and stir in the peanut butter, vanilla extract, and kosher salt until fully combined and smooth.
- Mix in Cereal: Gradually fold in the Rice Krispies cereal, mixing gently to coat all the cereal evenly with the marshmallow mixture.
- Add Whole Marshmallows: Fold in the remaining 1 cup of mini marshmallows carefully, so they maintain their shape in the treats.
- Transfer and Press: Pour the mixture into the prepared pan and press it into an even layer using a greased spatula or lightly buttered hands. Avoid pressing too hard to keep the treats light and fluffy.
- Set and Slice: Let the treats cool at room temperature for 1-2 hours or chill in the refrigerator for 30-40 minutes to set faster. Once firm, cut into 12 squares and serve.
Notes
- For easier handling, lightly grease your spatula or hands when pressing the mixture into the pan.
- Using the remaining marshmallows whole adds a fun chewy texture contrast.
- Store in an airtight container at room temperature for up to 3 days or refrigerate for longer freshness.
- You can substitute creamy peanut butter with another nut or seed butter if preferred.
- To make smaller or larger bars, adjust the pan size and cutting accordingly.

