Ann'S Blueberry Cheese Cake
["3 (8 oz.) pkg. cream cheese", "4 eggs", "1 c. sugar", "1 tsp. vanilla", "3 zwieback crackers", "1 c. sour cream", "1 Tbsp. sugar", "1/2 tsp. vanilla", "1 can blueberry pie filling"]
["Put blueberry pie filling in fridge.", "Soften cream cheese to mix.", "Beat 4 egg whites; gradually add 1 cup sugar and 1 teaspoon vanilla.", "Put yolks in cream cheese and mix.", "Blend cream cheese and egg whites together.", "Butter an 8-inch spring pan and sprinkle with finely crushed zwieback crackers.", "Put mix in pan and bake at 350\u00b0 for 25 minutes."]
["cream cheese", "eggs", "sugar", "vanilla", "zwieback crackers", "sour cream", "sugar", "vanilla", "blueberry pie filling"]