1 c flour
1/2 c. butter, soft
1/4 c. powdered sugar
2 eggs
1 c. sugar
1/2 tsp. baking powder
1/2 tsp. salt
2 tbsp. lemon juice

Mix flour, butter and powdered sugar, press into square pan. Bake at 350 degrees for 20 minutes. Beat remaining ingredients until fluffy. Pour into pan over crust. Bake 25 minutes longer. Cool, sprinkle with powdered sugar and cut into 2 inch squares.