Cheese Cake
["1/4 lb. butter, at room temperature", "1 pt. sour cream", "2 lb. cream cheese, at room temperature", "4 eggs", "1 1/2 c. sugar", "3 Tbsp. flour", "3 Tbsp. cornstarch", "1 Tbsp. vanilla"]
["Blend cream cheese and butter.", "Add sugar and eggs; mix well. There may be small lumps of cream cheese, that's okay.", "Add remaining ingredients."]
["butter", "sour cream", "cream cheese", "eggs", "sugar", "flour", "cornstarch", "vanilla"]