Sour Rice Krispy Treats

1/4 C. Butter
5 C. Rice Krispies
6-10 oz (about 40) Large Marshmallows, or
4 cups Miniature Marshmallows
1 Packet Unsweetened Kool-Aid, any flavor

Melt butter in large pan. Add marshmallows and cook over low heat, stirring constantly until melted. Add packet of  Kool-Aid, and blend in well. Remove from heat; add cereal and stir until melted. Press into a buttered casserole dish and cool completely before cutting into squares.

Note: You may substitute 2 cups (1 pint jar) of Marshmallow Creme. Melt creme and butter at same time, stirring constantly.