1. Cream butter, shortening, and sugar.
2. Add eggs and vanila, beat well.
3. Add sifted flour and dry ingredients.
4. Blend thoroughly.
5. Chill 1 hour.
6. Roll into 1 to 2 inch balls, dip into Cinnamon and Sugar mixture.
7. Bake at 350 degrees for 13 to 15 minutes.