10 oz. butter (2 1/2 sticks)
1 tsp. vanilla
1/3 c. sugar
2 1/4 c. all-purpose flour
1/4 c. rice flour (available at health food stores)

Cream butter and sugar until light and fluffy. Gradually beat in sugar until creamy.

Work in sifted dry ingredients. Knead well on lightly floured surface until mixture is smooth.

Press into lightly greased container, approximately 7x11 inches, cut into bars. Prick bars decoratively with fork. Bake in slow oven for 50-60 minutes.

Alternatively: Divide mixture into two and roll into 7 inch circles. Place on oven tray and mark into even wedges. Bake in slow oven (300 degrees), approximately 45 minutes.