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Chocolate Peanut Butter Rice Krispie Squares Recipe

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4.6 from 81 reviews

These Chocolate Peanut Butter Rice Krispie Squares combine the classic crispy marshmallow treat with rich peanut butter and melty milk chocolate chips for an irresistible, crunchy, and gooey snack. Perfect for dessert, lunchboxes, or a quick treat, they offer a delicious blend of textures and flavors with optional crunchy chopped peanuts on top.

Ingredients

Base Ingredients

  • 6 cups Rice Krispie cereal
  • ½ cup peanut butter
  • ¼ cup unsalted butter
  • 40 regular size marshmallows

Chocolate and Garnish

  • 1 cup milk chocolate chips
  • Chopped peanuts for garnish (optional)

Instructions

  1. Prepare the Pan: Grease a 9×13 inch pan thoroughly with cooking spray or butter to prevent sticking and ensure easy removal of the bars once set.
  2. Melt Butter and Marshmallows: In a large microwave-safe bowl, combine the butter and marshmallows. Microwave on high power for 2 minutes, stirring halfway through the cooking time to ensure they melt evenly. Stir the mixture until smooth and fully combined to create a gooey base.
  3. Add Peanut Butter: Stir in the peanut butter thoroughly into the warm marshmallow mixture until well blended, providing a creamy and nutty flavor throughout the base.
  4. Mix in Cereal: Gently fold in the Rice Krispie cereal, stirring carefully until it is evenly coated with the marshmallow and peanut butter mixture, maintaining the cereal’s crunch.
  5. Incorporate Chocolate Chips: Carefully fold in the milk chocolate chips just until they begin to melt and distribute evenly. This creates pockets of melty chocolate throughout the bars.
  6. Press into Pan: Transfer the mixture to the prepared pan and press down evenly using a buttered spatula or a piece of wax paper to compact the squares without crushing the cereal. Sprinkle chopped peanuts on top if desired for extra crunch and garnish.
  7. Cool and Set: Allow the mixture to cool and set for at least 30 minutes at room temperature before cutting into squares to ensure they hold their shape.

Notes

  • Use fresh marshmallows for best texture and melting.
  • Adjust the amount of peanut butter for a stronger or milder flavor according to preference.
  • Substitute milk chocolate chips with dark or white chocolate for variation.
  • Store the squares in an airtight container at room temperature for up to 3 days.
  • For easier cutting, chill the bars in the refrigerator for 15 minutes before slicing.