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+ servings
six square rice krispie treats with rainbow chips.
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5 from 1 vote

Peanut Butter Rice Krispie Treats with rainbow chips

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These Peanut Butter Rice Krispie Treats will bring back all of your childhood memories. As an adult, you'll appreciate how simple these Rice Krispie treats are to make with peanut butter. And how perfect they are as a treat to bring a picnic or a potluck.
Prep Time15 minutes
Cook Time5 minutes
Cooling time30 minutes
Total Time50 minutes
Course: Cookies
Cuisine: American
Servings: 24 bars
Calories: 122kcal

Ingredients

  • 6 cups Rice Krispies cereal
  • ½ cup smooth peanut butter not all-natural
  • 3 tablespoons (43 grams or 1.5 ounces) unsalted butter plus more greasing the pan
  • 10 ounces marshmallows, homemade or store-bought
  • ½ cup rainbow chips or sprinkles

Instructions

  • Butter a 9"x13" Pyrex or other baking pan.
  • Measure out cereal into a large, heat-proof bowl.
    6 cups Rice Krispies cereal
  • In a medium to large sized pot, melt the peanut butter and butter together over low heat.
    ½ cup smooth peanut butter, 3 tablespoons (43 grams or 1.5 ounces) unsalted butter
  • Add the marshmallows and stir until melted.
    10 ounces marshmallows, homemade or store-bought
  • Quickly stir the peanut butter-marshmallow mixture into the cereal.
  • Once it has been mostly mixed, add the rainbow chips and quickly mix.
    ½ cup rainbow chips or sprinkles
  • Transfer the mixture into the buttered pan, and use the spatula or your hands to spread the mixture evenly into the pan, pushing down on it gently.
  • Let it cool for at least 30 minutes before cutting.
  • Store at room temperature, covered with plastic wrap, for one week.

Notes

  • It is important to work quickly to combine the peanut butter-marshmallow mixture to the cereal before it cools.
  • The rainbow chips are added only at the very end to prevent them from melting too much.

Nutrition

Calories: 122kcal | Carbohydrates: 20g | Protein: 2g | Fat: 4g | Saturated Fat: 2g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Trans Fat: 1g | Cholesterol: 4mg | Sodium: 71mg | Potassium: 45mg | Fiber: 1g | Sugar: 11g | Vitamin A: 509IU | Vitamin C: 4mg | Calcium: 3mg | Iron: 2mg