Go Back
closeup of marshmallow fluff rice krispie treats surrounded by mini marshmallows
Print Recipe
4 from 2 votes

Marshmallow Fluff Rice Krispie Treats

Prep Time10 mins
Cook Time20 mins
Course: Dessert
Cuisine: American
Keyword: marshmallow fluff rice krispie treats


  • 9x13 Pan
  • Spatula
  • Large mixing bowl


  • 6 Cups Rice Krispies
  • 4 tablespoon Salted Butter
  • 1 jar Marshmallow fluff (13 oz)


  • Melt butter in a large stock pot. This should be done slowly over low to medium heat.
  • Add marshmallow fluff to melted butter and stir them together. Keep this on low to medium heat while it all melts together.
  • Alternatively, you can combine both the butter and the fluff into a microwave safe bowl. Then pop them in the microwave for 30 - 60 second increments. Stirring in between each heating. Until the whole mixture is melted together.
  • add in Rice Krispies and mix thoroughly
  • Thoroughly and evenly mix the marshmallows and Rice Krispies together.
  • Spread the mixture into a greased pan with a greased spatula.
  • Allow mixture to cool (about 30 minutes), cut into squares and enjoy!