1/4 c. butter
1 (10 oz.) pkg. marshmallows
5 c. Rice Krispies

Measure marshmallows into 3-quart saucepan. Melt over low heat. Add marshmallows and cook, stirring constantly, until marshmallows are melted and mixture is very syrupy. Remove from heat. Add cereal and stir until well coated. Spread warm mix in buttered 13x9x2 inch pan. Cut into squares.