In a separate bowl combine dry ingredients: flour, soda, salt and cinnamon.
Cream sugars and shortening together. DO NOT over cream.
Add eggs one at a time.
Add dry ingredients to mixer in 3 additions.
Stir or fold in nuts by hand.
Form planks of dough about 1 ½ inches in thickness and about 2 ½ inches wide. Wrap in waxed paper or Saran.
Refrigerator overnight or until firm, minimum 4 hours.
Slice about ¼ to ⅜ inch thick.
Bake at 375°F for 8-10 minutes. Cool on sheet 5 minutes before moving to