Preheat your oven to 350°F (175°C).
In a bowl, whisk together the flour, baking soda, cinnamon, nutmeg, and cloves.
In another bowl, cream the butter and sugar until light and fluffy.
Mix in the persimmon pulp, egg, and vanilla extract.
Gradually add the dry ingredients to the wet ingredients, mixing until just combined.
Fold in the chopped nuts if using.
Drop spoonfuls of dough onto a baking sheet lined with parchment paper.
Bake for 12-15 minutes or until the edges are golden brown.
Let the cookies cool on a wire rack.