1/4 c. butter
10 oz. marshmallows
12 oz. chocolate chips
6 c. Rice Krispies

Butter a 9x13x2 inch dish. Microwave butter, marshmallows, and chocolate chips on high for 2-3 minutes. Stir. Add Rice Krispies. Mix well. Spread into dish. Chill, then cut into squares.

Mint-chocolate chips or peanut butter chips may be substituted.