2 graham cracker pie shells
1 can sweetened condensed milk
1 can frozen lemonade or limeade - mushy stage
1 (9 oz.) carton Cool Whip

Whip condensed milk, lemonade or limeade, and Cool Whip. Spoon into pie shells. Freeze. Can add food coloring to mixture before spooning into pie shells. Yellow to lemonade; green to limeade.