Lemon Icebox Pie
["1 can Eagle Brand milk", "2 eggs, separated", "1 tsp. grated lemon rind or 1/2 tsp. lemon extract", "1/2 c. lemon juice", "1/4 tsp. cream of tartar", "4 Tbsp. sugar"]
["Fold together egg yolks, milk, lemon rind and juice.", "Pour in a graham cracker crust.", "Beat egg whites with cream of tartar, gradually add sugar.", "Top pie with meringue and brown in a 450\u00b0 oven.", "Refrigerate for 1 hour."]
["milk", "eggs", "lemon rind", "lemon juice", "cream of tartar", "sugar"]