Crush graham cracker squares. Blend ... topping. Mix lemon Jello and water. Set in refrigerator ... and vanilla. Whip evaporated milk in large mixing bowl which ... well. Serve in squares.
For crust, blend cracker crumbs, ... 8 minutes. Chill milk in freezer until almost frozen. Make Jello with 1 cup water. Chill ... until firm. Serves 15.