40 reg. marshmallows or 4 c. miniature marshmallows
6 c. Rice Krispies cereal
1/4 c. butter

Melt marshmallows with butter in large saucepan over low heat; stirring until completely melted. Remove from heat. Add Rice Krispies cereal. Stir until well coated. Using greased spatula or waxed paper, press mixture evenly into greased 13x9x2-inch pan. Cool. Cut into squares.