Sift flour, soda, spices and salt together. Cream shortening with sugar until light and creamy. Add eggs and vanilla. Mix well. Add dry ingredients alternately with sour cream in small amounts.
Drop by teaspoonful onto greased baking sheet. Bake at 350 degrees for 12 minutes.
Recipe by I'm At Home Baking! at http://imathomebaking.com/25-days-of-christmas-cookies-day-21-spicy-sour-cream-cookies/