1/2 c butter

1/2 c shortening 3.45 oz

1 c sugar - 7 oz

1 egg

1 tsp vanilla

2 c plus 1 T flour (sifted) 10.3 oz

1/2 tsp cream of tartar

1/2 tsp baking soda

1/2 tsp salt

Cream butter, shortening, and sugar until light and fluffy. Add egg and vanilla and beat well.

Sift dry ingredients and add to creamed mixture.

Refrigerate 1 hour or overnight.

Roll into balls.

Dip wet glass bottom into sugar and press ball flat.

Bake on ungreased cookie sheet 6-8 minutes in 400°F oven.