Preheat oven to 350 degrees F. For pulp, remove skin from very ripe hachiya persimmon. Mix baking soda with pulp, set it aside so it can fluff up. Cream butter, then add sugar, mix well. Add beaten egg. Introduce pulp to this mixture.
Mix flour and spices, sift together. Add dry blend to wet mixture. Mix until incorporated. Fold in nuts and raisins. Use tablespoon to size dough, place spoonfuls on greased cookie sheet. Bake for 12 to 15 minutes.