Christmas Cookies (Katie's recipe)

Ingredients
1 cup of butter
3 egg yokes
1 tsp salt
1 tsp baking soda
1 tsp baking powder
1 tbl vanilla
1-1/2 cups sugar
4 cups flour
1 cup sour cream

Directions
 1. Soften butter and beat egg yokes.
 2. Mix butter and sugar; add egg yokes.
 3. Add remaining dry ingredients and sour cream.
 4. Divide dough into 2 and place each dough ball
    between layers of waxed paper
 5. Roll the dough balls flat and place now waxed
    dough sheets on jelly pans
 6. Chill 2 hours.
 7. Dust a work surface with flour.
 8. Remove the dough from the waxed paper and place
    on the floured work surface.
 9. Cut into shapes.
10. Bake at 375 for 10 minutes.