1 envelope (.13 oz) unsweetened lime soft drink mix (like Kool Aid)
1 (14 oz.) can sweetened condensed milk
1 carton (8 oz.) Cool Whip
1 graham cracker crust, 9 inch

In a large bowl, dissolve soft drink mix in condensed milk. Fold in Cool Whip. Spoon into crust. Cover and refrigerate for 3 hours or until set.