Blueberry Victory
["5 to 6 c. blueberries", "2 Tbsp. cornstarch", "1 Tbsp. sugar", "1/2 c. walnuts", "3/4 c. sugar", "1 c. flour", "1 stick margarine"]
["Mix first 3 ingredients in baking dish for bottom layer. Blend rest of ingredients and spread for second layer.", "Bake for 30 minutes at 400\u00b0."]
["blueberries", "cornstarch", "sugar", "walnuts", "sugar", "flour", "margarine"]