1 (6 ounce) can frozen lemonade;
1 (14 ounce) can sweetened condensed milk;
1 (8 ounce) container Cool Whip;
1 graham cracker crust.
Use mixer and mix the first three ingredients until fluffy. Pour into ready made crust. Refrigerate until firm. Best to let it set overnight.
This can also be made with limeade and/or chocolate cookie crusts.