Blueberry Squares
["2 sticks margarine", "1 1/4 c. sugar", "4 eggs", "1 tsp. vanilla", "1 tsp. lemon", "2 c. flour (all-purpose)", "1/2 tsp. baking powder", "1 c. blueberry filling", "powdered sugar"]
["Beat well the margarine, sugar, eggs, vanilla and lemon, then add the flour and baking powder and mix until smooth.", "Pour into greased baking sheet (15 x 11-inch).", "Mark off 20 to 24 imaginary squares and drop blueberry filling (drained if juicy) by teaspoon onto each square.", "Bake at 350\u00b0 for 30 minutes.", "As soon as removed from oven, sprinkle with powdered sugar (use a strainer for sprinkling).", "Cut into squares when cool.", "Makes 20 to 24 squares."]
["margarine", "sugar", "eggs", "vanilla", "lemon", "flour", "baking powder", "filling", "powdered sugar"]