Key Lime Pie
["1 baked pastry shell, cooled", "3 eggs, separated", "1 (14 oz.) can Eagle Brand milk (sweetened condensed)", "1/2 c. ReaLime lime juice from concentrate", "few drops green food coloring (optional)", "1/2 tsp. cream of tartar", "1/3 c. sugar"]
["Preheat oven to 350\u00b0.", "In medium bowl, beat egg yolks; stir in Eagle Brand milk, ReaLime and food coloring.", "Turn into shell.", "In small mixer bowl, beat egg whites with cream of tartar until soft peaks form.", "Gradually add sugar, beating until stiff, not dry. Spread on top and seal.", "Bake 12 to 15 minutes or until golden brown."]
["pastry shell", "eggs", "milk", "ReaLime lime juice", "coloring", "cream of tartar", "sugar"]