Lemon Pineapple Pie
["1 (15 oz.) can sweetened condensed milk (not evaporated)", "1/2 c. Borden ReaLemon juice (in bottle)", "1 small can crushed pineapple, well drained", "1 small carton Cool Whip", "2 Keebler 8-inch butter-flavor Ready-Crusts"]
["Stir lemon juice into condensed milk.", "Stir until thickened, about 5 minutes.", "Add drained pineapple.", "Fold in Cool Whip and pour into crusts.", "Cover with plastic lids that come with crusts. Refrigerate at least 4 hours.", "Can be frozen ahead.", "Thaw 2 to 3 hours before serving.", "\"The easiest pie you will ever make!\""]
["condensed milk", "pineapple", "butter"]