Lemon Sugar Cookies

1 cup butter

1/2 tsp. vanilla

1/2 tsp. lemon extract

2 c. sugar

3 egg yolks

2 1/2 cups flour

1 tsp. baking soda

1 tsp. cream of tartar

Cream butter, vanilla, and lemon extract until soft.  Add sugar slowly until fluffy.  Add egg yolks 1 at a time.  Beat well.  Add dry ingredients.  Mix well.  (Mixture will be dry).  Form balls and roll in sugar.  Press balls down slightly.

Bake at 350 degrees for 10 minutes.  (Slightly golden).