Blueberry Squares

Directions

1. 1
   Beat well the margarine, sugar, eggs, vanilla and lemon, then add the flour and baking powder and mix until smooth.
2. 2
   Pour into greased baking sheet (15 x 11-inch).
3. 3
   Mark off 20 to 24 imaginary squares and drop blueberry filling (drained if juicy) by teaspoon onto each square.
4. 4
   Bake at 350° for 30 minutes.
5. 5
   As soon as removed from oven, sprinkle with powdered sugar (use a strainer for sprinkling).
6. 6
   Cut into squares when cool.
7. 7
   Makes 20 to 24 squares.