Let’s be honest: peanut butter Rice Krispie treats are the kind of dessert that instantly takes you back to childhood. They’re chewy, peanut-buttery, and impossibly satisfying. Add a smooth chocolate layer on top and you’ve got a next-level snack that disappears fast.
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The peanut butter transforms classic Rice Krispie treats into something dangerously moreish. These come together in about 10 minutes, and you can make them on the stovetop or in the microwave depending on what’s most convenient. No oven required, no special equipment — perfect for last-minute desserts or after-school snacks.
They’re great to whip up while dinner’s in the oven: press the pan, let them set, slice, and you’re ready to serve before the kitchen timer dings.
🍚 Snap, crackle, pop history
Rice Krispie treats date back to 1939 when two workers in the Kellogg’s test kitchen created the marshmallow-and-cereal classic for a Camp Fire Girls fundraiser. What began as a simple, no-bake dessert quickly became a bake sale mainstay and a nostalgic household favorite.
🧾 Ingredients
- Butter
- Mini marshmallows
- Vanilla extract
- Creamy peanut butter
- Rice Krispies cereal
- Chocolate chips (optional)
- Vegetable oil (optional)
- Flaky sea salt (optional)
⭐ Ingredient notes
- Butter — Salted or unsalted works; salted adds a little extra flavor.
- Mini marshmallows — Give the chewiest texture; if you use regular marshmallows, melt a bit longer.
- Vanilla extract — A splash brightens the overall flavor.
- Chocolate chips + oil (optional) — A bit of oil helps melted chocolate become glossy and spreadable.
- Flaky sea salt (optional) — A light sprinkle on top balances the sweetness and enhances both peanut butter and chocolate.
See the recipe card below for exact measurements and full instructions.
🥣 Stovetop peanut butter Rice Krispie treats
In a large saucepan over low to medium heat, melt the butter until it’s bubbly and golden. Stir in the marshmallows and vanilla, stirring until fully melted and smooth. If you’re using full-size marshmallows, allow a little more time.
Mix in the creamy peanut butter until the mixture is silky and uniform. Remove from heat and fold in the Rice Krispies until every piece is coated. Work quickly — the mixture sets fast.
Transfer to a greased or parchment-lined 9 x 13 pan. Use a spatula or wax paper to press the mixture evenly. Let it set at room temperature for a few minutes, then cut into squares and serve.
♨️ Microwave peanut butter Rice Krispie treats
Combine butter, vanilla, and marshmallows in a large microwave-safe bowl. Microwave in 30-second intervals, stirring between each, until smooth and melted. Stir in the peanut butter until glossy, then fold in the cereal. Press into a greased or parchment-lined 9 x 13 dish, allow to set briefly, then cut and enjoy.
🍫 Optional chocolate topping
Melt chocolate chips with a teaspoon of vegetable oil in a double boiler or the microwave in short bursts until smooth. Spread over the set treats, then let the chocolate firm at room temperature or in the fridge for a few minutes. Finish with a light sprinkle of flaky sea salt for a bright sweet-and-salty contrast.
💫 Variations and mix-ins
- Double chocolate — add mini chocolate chips to the cereal.
- Extra nutty — use crunchy peanut butter or stir in chopped nuts.
- Honey twist — replace 2 tablespoons of peanut butter with honey for extra sweetness.
- Sweet & salty — sprinkle flaky sea salt over the chocolate topping.
- Party time — mix in colorful sprinkles for kid-friendly fun.
- Cookie crunch — fold in crumbled cookies or Oreos for added texture.
- Nut butter swap — try almond or cashew butter instead of peanut butter.
🧺 Storage
Store treats in an airtight container at room temperature for several days. For longer storage, wrap individually and freeze up to a month; thaw at room temperature before serving.
❓ FAQ
Yes. Natural peanut butter can be used, but oil separation may make the mixture slightly greasy and slower to set. Classic creamy peanut butter yields the most consistent texture.
Yes. Use a vegan butter substitute and dairy-free chocolate for a dairy-free version. For gluten-free treats, choose a certified gluten-free crispy rice cereal.
Absolutely. Press the mixture into a larger pan for thinner squares, cut smaller, or use a mini muffin tin for bite-size pieces.
Any pan will do. A smaller pan will make thicker bars and a larger pan will yield thinner pieces — adjust cutting size accordingly.
If you love peanut butter desserts, try other favorites from the same kitchen — homemade peanut butter cups, soft peanut butter blossom cookies, or old-fashioned peanut butter fudge are delicious options when you want to bake.
- Soft Peanut Butter Blossom Cookies
- Old Fashioned Peanut Butter Fudge
- 3-Ingredient Homemade Peanut Butter Cups
- Quick & Easy Nut Brittle
- Chocolate Coconut Clusters (Mounds copycat)
- Sprinkle Sugar Cookies
- Copycat Thin Mint Cookies
- Brownie Blondies
Did you make these Peanut Butter Rice Krispie Treats? Let us know in the comments below!
📝 Recipe
Peanut Butter Rice Krispie Treats
Pin Recipe
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Ingredients
- 3 Tablespoons butter
- 10 ounces mini marshmallows
- ½ teaspoon vanilla extract
- ½ cup creamy peanut butter
- 6 cups Rice Krispies cereal
- 1 cup chocolate chips (optional)
- 1 teaspoon vegetable oil (optional)
- Flaky sea salt (optional)
Instructions
Stovetop Rice Krispie Treats
- Lightly grease a 9 x 13 baking dish or line with parchment, leaving an overhang for easy removal.
- In a large saucepan over low to medium heat, melt the butter until bubbly and golden. Add marshmallows and vanilla; stir until completely melted and smooth.
- Stir in the peanut butter until silky and combined.
- Remove from heat and fold in the Rice Krispies until coated. Press into the prepared pan and let set briefly before cutting into squares.
Microwave Rice Krispie Treats
- Lightly grease a 9 x 13 baking dish or line with parchment.
- Combine butter, vanilla, and marshmallows in a microwave-safe bowl. Microwave in 30-second intervals, stirring between, until smooth and melted.
- Stir in peanut butter, fold in the cereal, press into the pan, let set, and cut into squares.
Optional Chocolate Topping
- Melt chocolate chips with the oil in a double boiler or microwave until smooth.
- Spread over the treats and let set at room temperature or chill briefly.
- Finish with a sprinkle of flaky sea salt if desired.
Notes
Variations and mix-ins
- Double chocolate — stir in mini chocolate chips with the cereal.
- Extra nutty — use crunchy peanut butter or add chopped nuts.
- Honey twist — swap 2 tablespoons peanut butter for honey.
- Sweet & salty — top with flaky sea salt.
- Party time — mix in sprinkles for a fun touch.
- Cookie crunch — add crumbled cookies or Oreos.
- Nut butter swap — try almond or cashew butter.
Storage
Store in an airtight container at room temperature for several days. To freeze, wrap individually and freeze up to one month; thaw at room temperature before serving.
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Carbohydrates: 17 g
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Protein: 2 g
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Fat: 5 g