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3 Ingredient Peanut Butter Rice Krispie treats

Peanut Butter Rice Krispie treats with only 3 ingredients
Course Dessert
Cuisine American
Prep Time 20 minutes
Total Time 20 minutes
Servings 12 bars


  • 1 bag marshmallows
  • 5 cups puffed rice cereal
  • 1/2 cup peanut butter
  • 1/2 cup peanuts optional!


  • Melt the peanut butter, mix in marshmallows.
  • Melt the mixture until smooth.
  • Add in the cereal and peanuts, stirring until combined.
  • Press into a greased 9x13 pan.
  • Let cool, then enjoy.


Melting your peanut butter and marshmallows works both in the microwave and on the stove. Just make sure you choose a bowl that is big enough to fit all the ingredients in the end!
Also, greasing your pot/bowl before putting your peanut butter in will help prevent sticking.