Blueberry Squares
["2 sticks margarine", "2 c. sugar", "1 tsp. vanilla", "4 eggs", "2 c. flour", "1 large can blueberries (for pies)"]
["Mix well, adding eggs one at a time.", "Blend mixture except for blueberries.", "Batter will be thick.", "Put most of the batter on the bottom of greased and floured 9 x 13-inch pan.", "Add blueberries over batter, then add the rest of the batter by spoonful over blueberries.", "Place in a 325\u00b0 oven for 45 minutes."]
["margarine", "sugar", "vanilla", "eggs", "flour", "blueberries"]