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Chocolate Peanut Butter Best-Ever Rice Krispie Treats

Updated: Jul 26, 2020

Nick is obsessed with anything chocolate peanut butter, so the other day when I made the Best-Ever Rice Krispie Treat recipe from Once Upon A Chef he got the idea to make Chocolate Peanut Butter Best-Ever Rice Krispie Treats.

We only made a half batch to make sure they turned out, but next time we will for sure make a whole batch! Nick said that they were so delicious! I am not much of a chocolate peanut butter fan (I enjoy both separately, but don't go out of my way to put them together) and I even liked these quite a bit.

Servings: 20 to 24 squares

Cook Time: 20 minutes


  • 12 tablespoons (1.5 sticks) salted butter, plus more for greasing the pan

  • 1 cup peanut butter

  • Two 10-oz bags mini marshmallows

  • 3/4 teaspoon vanilla extract

  • 8 and 1/2 cups Cocoa Pebbles or other chocolate rice cereal


  1. Lightly grease a 9 x 13-in pan with softened butter.

  2. Set aside 2 cups of marshmallows.

  3. In a large pot, melt the butter over medium heat. Swirl the pan occasionally to be sure the butter is cooking evenly.

  4. As the butter melts, it will begin to bubble and foam, and the color will progress from bright yellow to golden to, finally, a toasty-brown. Once you smell that nutty brown butter aroma, take the pan off the heat.

  5. Off the heat, mix in the peanut butter until melted.

  6. Then add the remaining marshmallows and vanilla.

  7. Place the pot back over medium heat and stir the mixture with a wooden spoon until the marshmallows are completely melted.

  8. Remove the pan from the heat and add the cereal. Using a rubber spatula, stir until evenly combined.

  9. Add the reserved marshmallows and stir until they are softened and partially melted. Don't over mix; you want pockets of goo.

  10. Transfer the mixture to the prepared pan and, using the spatula, press the mixture gently into an even layer in the pan.

  11. Let cool at room temperature for at least one hour.

If you like more peanut butter, feel free to add more, but be careful not to add too much or else your marshmallows might not get sticky enough. We also tossed around the idea of using two cups of chocolate marshmallows at the end, but didn't get a chance to get some before we made it, so there's an idea for you as well.

Let us know what you think if you tried it in the comments. Do you love it as is?What did you add or change? We want to hear it all!

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