1 c. flour
1/2 c. butter, softened
1/4 c. powdered sugar
1 c. granulated sugar
2 eggs
2 tsp. grated lemon peel (if desired)
2 tbsp. lemon juice
1/2 tsp. baking powder
1/4 tsp. salt
Powder sugar to top

Heat oven to 350 degrees. Mix flour, butter, and 1/4 cup powdered sugar. Press in ungreased baking pan 8 x 8 x 2 building up 1/2 inch edge. Bake 20 minutes. Beat granulated sugar, eggs, lemon peel and juice, baking powder and salt until light and fluffy, about 3 minutes. Pour over baked layer. Bake just until no indentation remains when touched in center about 25 minutes. Cool and sprinkle with powdered sugar. Cut into 1 inch squares. Makes 64 cookies.