Cream butter or margarine and sugar. Beat in egg and vanilla.
Stir remaining ingredients together and add. Mix well.
Roll 1/8 inch thick on floured surface. Cut into 2 1/2 inch rounds. Prick with fork. Grease baking sheet. Bake in 350 degree F (175 degrees C) oven until golden, about 8 to 10 minutes. Allow a bit more baking time if rolled thicker.