Sour Cream Lemon Pie
["1 c. sugar", "1 Tbsp. lemon rind, grated", "3 egg yolks, slightly beaten", "1/4 c. oleo", "1 baked (9-inch) pie shell", "3 1/2 Tbsp. cornstarch", "1/2 c. fresh lemon juice", "1 c. milk", "1 c. cultured sour cream", "1 c. heavy whipping cream, whipped"]
["Combine the first 6 ingredients in double boiler or heavy saucepan; cook over medium heat until thick (if not using double boiler, use low heat and stir constantly as it burns easily). Stir in oleo and cool to room temperature.", "Stir in sour cream and pour filling into pie shell.", "Cover with whipped cream and garnish with lemon twists, if desired.", "Store in refrigerator."]
["sugar", "lemon rind", "egg yolks", "oleo", "shell", "cornstarch", "lemon juice", "milk", "sour cream", "heavy whipping cream"]