These treats take me straight back to the kitchen table after school, when sticky fingers and cereal crumbs were just part of life. Peanut butter versions always won at my place. Plain cereal bars were fine, but once peanut butter entered the picture, there was no going back. Over the years, I’ve made these more times than I can count, usually for last-minute gatherings, bake sales, or nights when something sweet felt necessary without turning on the oven.

What makes this version special is the texture. Soft, gooey, and just firm enough to hold together when cut. No jaw workout required.
Why These Treats Never Disappoint
These bars hit that sweet spot between chewy and crisp. The peanut butter melts right into the marshmallow base, giving every bite richness without turning heavy. Five ingredients keep things simple, which means this recipe fits busy days and sudden cravings perfectly.
They’re dependable too. I’ve made them with different brands and pantry stand-ins, and they still come out right every time.
Ingredients You’ll Need
-
6 tablespoons salted butter
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5 cups mini marshmallows
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½ cup creamy peanut butter
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1 teaspoon vanilla extract
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6 cups crispy rice cereal

How I Make Them at Home
I start by preparing a baking dish, either greased lightly or lined with parchment for easy lifting later. Butter melts slowly in a large pot over low heat. I stay patient here. Rushing this step changes the texture.
Once melted, marshmallows go in and soften gently. Peanut butter follows soon after, with constant stirring to keep everything smooth. The heat turns off as soon as the mixture looks glossy and fully blended. Vanilla goes in last.
Cereal gets folded in until coated. The mixture looks loose at first, which is exactly right. I press it gently into the dish using lightly greased hands. Pressing too hard leads to dense bars, so a light touch matters.
After resting for about forty minutes, the treats slice cleanly and stay soft inside.
Little Tips That Make a Difference
Low heat keeps the bars tender. High heat toughens the marshmallow mixture fast. Gentle pressing keeps air in the bars, which helps maintain that soft bite. If the treats firm up later, a few seconds in the microwave brings them right back.
Fun Add-Ins I’ve Tried Over the Years
These treats welcome creativity. Chocolate chips scattered on top melt slightly and look great. Sprinkles turn them festive fast. Crushed candies add crunch. Melted chocolate drizzled over the surface feels special without extra effort.
Make Ahead and Storage Notes
These taste best the day they’re made. An airtight container keeps them good for another day or two. A quick warm-up softens them again if needed. I usually store them at room temperature, tucked out of reach.

FAQs
Can I use a different cereal?
Yes. Crisp chocolate cereal works well and pairs nicely with peanut butter.
How do I make thinner bars?
A larger baking dish spreads the mixture thinner and cuts down bar height.
Why did my treats turn hard?
Heat ran too high during melting. Slow melting keeps them soft.
Can these be made ahead?
Yes. One day ahead works fine, though fresh always feels best.
Peanut Butter Rice Krispies Treats
These peanut butter Rice Krispies treats are soft, gooey, and packed with nostalgic flavor.
Ingredients
- 6 cups Rice Krispies cereal
- 10 ounces mini marshmallows
- 4 tablespoons salted butter
- ½ cup creamy peanut butter
- ½ teaspoon vanilla extract
Instructions
- Lightly grease or line a 9×9-inch pan and set it aside. Melt the butter gently in a large saucepan over low heat, stirring so it doesn’t brown. Add the marshmallows and continue stirring until they begin to melt and soften.
- Stir in the peanut butter and keep mixing until everything is smooth and fully melted. Remove the pan from the heat and stir in the vanilla extract.
- Add the cereal to the warm mixture and fold until evenly coated. Transfer the mixture to the prepared pan and gently press it down using lightly greased hands or parchment paper.
- Let the treats sit at room temperature until set, then cut into bars and serve.
Nutrition Information
Yield
8Serving Size
1Amount Per Serving Calories 964Total Fat 17gSaturated Fat 6gUnsaturated Fat 11gCholesterol 15mgSodium 1118mgCarbohydrates 189gFiber 2gSugar 40gProtein 17g
Easy Shrimp Recipes.com, occasionally offers nutritional information for recipes contained on this site. This information is provided as a courtesy and is an estimate only. This information comes from online calculators. Although allchickenrecipes.com attempts to provide accurate nutritional information, these figures are only estimates.
Final Thought
Peanut butter rice cereal treats are one of those recipes that stick around for a reason. They’re easy, familiar, and deeply comforting. This version keeps everything soft and gooey, just like I remember growing up. If you keep peanut butter on hand, this recipe earns a permanent spot in your back pocket.

