Cherry Icebox Cake
["6 egg whites (room temperature)", "2 c. sugar (white)", "2 tsp. vanilla", "3/4 tsp. cream of tartar", "3 c. crushed saltine crackers (not too fine)", "1 (9 oz.) tub Cool Whip", "1 can cherry pie filling"]
["Beat egg whites until foamy; beat in sugar a little at a time to make meringue like.", "Beat in vanilla and cream of tartar.", "Fold in the 3 cups crushed saltine crackers.", "Lightly grease a 13 x 9 x 2-inch pan and spread in meringue/cracker mixture.", "Bake in a preheated 350\u00b0 oven for 30 to 35 minutes.", "After cake is cooled, top with Cool Whip and cover that with the cherry pie filling. Refrigerate."]
["egg whites", "sugar", "vanilla", "cream of tartar", "crackers", "cherry pie filling"]