Lemon Cream Pie
["1 c. sugar", "3 Tbsp. cornstarch", "1/4 c. butter", "1 Tbsp. grated lemon rind", "1/4 c. lemon juice", "3 egg yolks", "1 c. milk", "1 c. sour cream", "1 (9-inch) baked pie shell"]
["Combine sugar and cornstarch in pan.", "Add melted butter, rind, juice and beaten egg yolks.", "Stir in milk.", "Heat over medium heat until thick.", "Let cool; fold in sour cream.", "Pour into pie shell. Chill at least 3 hours before serving.", "Top with whipped cream."]
["sugar", "cornstarch", "butter", "lemon rind", "lemon juice", "egg yolks", "milk", "sour cream", "shell"]