1 can sweetened condensed milk
1/2 c. lemon juice
1 can crushed pineapple, drained
1/2 c. chopped pecans
1 (9 oz.) container Cool Whip
2 (8 or 9 inch) graham cracker crusts

Mix milk, lemon juice and pineapple. Fold in pecans and whipped topping that has been partially thawed. Pile into crumb crusts. Chill for at least an hour before serving.