Heat 1 cup of miniature marshmallows and ½ tablespoon of butter in the microwave for 30-45 seconds and mix in 1 ¼ cups Rice Krispies cereal.
Spray the outside of 2 sandwich bags lightly with a nonstick cooking spray, place the bags on your hands, used to mold the white Rice Krispies into a ball and place in the center of a lightly greased pie pan.
Heat 2 cups of miniature marshmallows and 1 tablespoon of butter in the microwave for 1 -2 minutes, mix in a few drops of yellow food coloring and mix in 2 ½ cups Rice Krispies cereal.
Use the sandwich bags to mold the yellow Rice Krispies around the white center.
Heat 2 ½ cups of miniature marshmallows and 1 tablespoon of butter in the microwave for 1 -2 minutes, mix in a few drops of orange food coloring and mix in 3 cups Rice Krispies cereal.