1/2 c. butter
5 c. miniature marshmallows
5 c. Rice Krispies

Place butter in 12 x 7 inch glass baking dish. Microwave for 1 to 1 1/2 minutes on medium high (roast) or until melted. Stir in marshmallows. Microwave for 1 minute on medium high. Stir and continue cooking for about 1 1/2 to 2 minutes, or until marshmallows are softened. Stir until smooth. Mix in cereal. Press into dish. Cool and cut into squares.