Lemonade Pie
["1 (6 oz.) can frozen lemonade concentrate, thawed", "1 (14 oz.) can sweetened condensed milk", "1 to 2 drops yellow food coloring", "1 (8 oz.) carton frozen whipped topping, thawed", "1 (9-inch) graham cracker crust"]
["Combine lemonade, milk and food coloring.", "Stir well.", "Fold in whipped topping.", "Pour into crust and freeze until firm, 4 hours or overnight.", "Garnish with lemon slices and whipped topping. Serves 8."]
["frozen lemonade concentrate", "condensed milk", "coloring", "frozen whipped topping", "graham cracker crust"]