Lemon Pie
["1 can Eagle Brand milk", "1 large can frozen lemonade, thawed", "1 large (9 oz.) carton Cool Whip", "1 large or 2 (9-inch) baked pie shells or graham cracker crusts"]
["Mix and chill before serving, about 4 hours.", "Serves 12."]
["milk", "frozen lemonade", "graham cracker crusts"]