Key Lime Pie
["1 (8 or 9-inch) baked pastry shell", "3 egg yolks", "1 (14 oz.) can sweetened condensed milk (not evaporated milk)", "1/2 c. ReaLime juice", "yellow or green food coloring (optional)", "whipped topping or whipped cream"]
["Preheat oven to 350\u00b0.", "In medium bowl, beat egg yolks; stir in sweetened condensed milk, ReaLime brand and food coloring, if desired.", "Pour into prepared pastry shell; bake 8 minutes.", "Cool. Chill.", "Spread with topping.", "Garnish as desired.", "Refrigerate leftovers."]
["pastry shell", "egg yolks", "condensed milk", "ReaLime juice", "coloring", "cream"]