1 stick butter
2 (10 oz.) bags marshmallows
1 (10 oz.) box Rice Krispies cereal

Melt butter in large boiler or Dutch oven. Add marshmallows, stirring until melted. Remove from heat and stir in cereal until coated. Pour in a buttered greased pan. With wet or buttered hands, press down.

EXTRA SUGGESTION: After stirring in the cereal, add M&M'S® before pressing it down.