Mandarin Orange Pie
["1 (12 oz.) pkg. frozen whipped topping, thawed", "1 can sweetened condensed milk", "1/2 c. chopped nuts", "1/2 c. lemon juice", "1 (11 oz.) can Mandarin oranges, drained", "1 (9-inch) baked pie shell or graham cracker crust"]
["Mix all ingredients except oranges well; fold in oranges. Pour into baked pie shell or graham cracker crust.", "Chill until set."]
["frozen whipped topping", "condensed milk", "nuts", "lemon juice", "oranges", "shell"]