40 Ritz crackers, crushed
1 cube butter, melted

Combine and put in the bottom of an 11 x 7 inch casserole.

1 (6 oz.) frozen lemonade
1 (8 oz.) Cool Whip
1 can sweetened condensed milk

Combine lemonade and milk. Fold in Cool Whip. Spread over cracker crumbs; freeze.