These are different than the ones Emily posted. They are good, and quite a bit easier than Emily's. Not quite as good as Emily's but really yummy, nonetheless.
2 c. flour
1/2 c. sifted powdered sugar
1 c. buter
4 beaten eggs
1 1/2 cups sugar
1-2 t. grated lemon peel
1/3 c. lemon juice
1/4 c. flour
1/2 t. baking powder
Preheat oven to 350. Stir together the 2 cups flour and the 1/2 c. powdered sugar. Cut in the butter until mixture clings together. Press dough into the bottom of 9x13 pan. Bake in preheated oven for 20-25 minutes or until edges turn light brown.
In mixing bowl, beat together eggs, sugar and lemon juice. Mix in the 1/4 c. flour and baking powder and lemon peel. Pour over baked crust. Bake at 350 for 25 minutes.
Sift powdered sugar over the top and cut into bars or triangles.
Cover and store in the refrigerator.