lemon squares

lemon flavored bar cookies? YES PLEASE!

1 c flour
1/2 c butter
1/4 c powdered sugar
1 c sugar
2 eggs
2 teaspoons lemon peel (optional)
2 tablespoons lemon juice
1/2 teaspoon baking powder
1/4 teaspoon salt
powdered sugar for garnish

mix butter, flour, and powdered sugar. press into ungreased 8-inch square baking dish. bake at 350 for 20 minutes. while it's baking, beat sugar, eggs, lemon peel, lemon juice, baking powder, and salt until light and fluffy (about 3 minutes). pour over baked shell. bake at 350 for an additional 25 minutes (no indentation will remain when touched in the center). cool completely. sprinkle w/ powdered sugar and cut into 1-2 inch squares.