1 c. butter, softened
1/2 c. powdered sugar
2 1/3 c. all-purpose flour
4 eggs
2 c. sugar
1/3 c. lemon juice
1 tsp. baking powder
2 tbsp. powdered sugar

In a large bowl, cream together butter and 1/2 cup powdered sugar until fluffy. Add 2 cups of the flour, beating until blended. Spread evenly over the bottom of a well greased 9 x 13 inch baking pan. Bake in 350 degree oven for 20 minutes.

Meanwhile, in a small mixing bowl beat the eggs until light and foamy. Gradually add sugar, beating until thick and blended. Add lemon juice, remaining 1/3 cup flour and baking powder; beat until thoroughly blended. Pour lemon mixture over baked crust and return to oven. Bake 25-30 minutes until golden and custard is set. Remove from oven and sprinkle evenly with powdered sugar. Cool. Cut in small squares.