Lucky Charms Bars

3 Tablespoons butter or margarine
25 large marshmallows or 3 ½ cups miniature marshmallows
5 cups Lucky Charms cereal

Grease an 8” or 9” square pan.
Place butter and marshmallows in large microwave bowl. Microwave uncovered on HIGH for 1 minute and 30 seconds to 3 minutes, stirring after 1 minute until mixture is melted and smooth when stirred. Stir in cereal until well coated. Press mixture into prepared pan; cool.