1/2 c. butter
5 c. miniature (or 40 large) marshmallows
5 c. crispy rice cereal

Melt butter in 12 x 7 inch glass baking dish (about 1 minute on medium high). Stir in marshmallows and microwave 1 minute on medium high. Stir and continue cooking 1 1/2 to 2 minutes or until marshmallows are softened. Stir then mix in cereal, press into dish and cook. Cut into 24 to 30 squares.

For chocolate Krispies: add 1 (6 oz.) pkg. chocolate pieces to butter and increase cereal to 6 cups.