Lemon Cool Whip Pie
["1 can Eagle Brand condensed milk", "1 tsp. grated lemon rind", "1/2 c. lemon juice", "3 1/2 c. Cool Whip (medium size container)"]
["Mix the first 3 ingredients together well. Add the Cool Whip. Pour into graham cracker crust.", "Chill 2 to 3 hours."]
["milk", "lemon rind", "lemon juice"]