1 can (6 oz.) frozen lemonade concentrate
1 can (13 oz.) Eagle Brand sweetened condensed milk
1 8 oz. carton Cool Whip
1 graham cracker crust, or baked pie shell

Combine lemonade concentrate (do not dilute), sweetened condensed milk and Cool Whip. Stir until well blended. Pour into pie crust. Freeze for at least 4 hours. Serve frozen.