4 c. flour
1/2 c. powdered sugar
1 c. melted butter

Mix and pat in pan; bake at 350 degrees for 20 minutes.

FILLING FOR LEMON BARS:

4 beaten eggs
2 c. sugar
6 tsp. lemon juice
4 tbsp. flour
1/2 tsp. baking soda
1/2 tsp. salt

Pour over first mixture and bake for 30 minutes.