Bake Sale Rice Krispies Treats

Thick and spongy bake sale rice Krispies treats, made even better by stirring in extra mini marshmallows! Cut into large squares to serve or package for your next bake sale. These will go fast! 

Prep Time 10 minutes
cooling time 30 minutes


  • 6 tablespoons butter
  • 3 10 oz packages mini marshmallows
  • 12 cups crispy rice cereal
  • sprinkles


  1. In a LARGE microwaveable bowl add butter and 2 packages of marshmallows*. Reserve the 3rd package for later.
  2. Microwave in 45 second intervals, stirring in between, until melted and gooey. Stir.
  3. Place cereal in a large bowl or stock pot. Pour melted marshmallow/butter over and stir until completely combined. Add last package of mini marshmallows. Stir.
  4. Pour mixture into a large baking sheet that has been lined with parchment paper. I use a 13×18″ jelly roll pan. Spray you hands with non stick cooking spray or grease with a small amount of butter and pack down really well.
  5. Sprinkle with sprinkles and use you hands to pat down to make sure they stick.
  6. Refrigerate until firm.
  7. Cut into large squares.
  8. *You can also melt marshmallows and butter over the stove and pour onto cereal.