Lemon Luscious Pie
["1 c. sour cream", "1 c. sugar", "3 Tbsp. cornstarch", "1 tsp. finely grated lemon peel", "1/4 c. butter", "1/4 c. lemon juice", "1 c. milk", "3 egg yolks, beaten"]
["Combine all ingredients, except the sour cream, and cook until thick.", "Cover and cool.", "Fold in sour cream; pour into prepared pie shell (9-inch) of your choice and chill for at least 2 hours.", "Top with whipped cream, if desired, or meringue."]
["sour cream", "sugar", "cornstarch", "lemon peel", "butter", "lemon juice", "milk", "egg yolks"]