1/4 c. butter
1 (10 1/2 oz.) pkg. miniature marshmallows
6 c. Post "Fruity Pebbles" cereal

Heat butter uncovered in large microwavable bowl on HIGH 45 seconds or until melted. Add marshmallows; toss to coat. Cook uncovered 1 minute or until marshmallows are smooth when stirred.

Add cereal; toss to coat. Press mixture firmly into greased 13x9 inch pan. Chill about 1 hour. Cut into squares. Store in cool place. Makes 24 squares.