Preheat oven to 350°F.

Cream butter and sugar together until light and fluffy. Beat in eggs, pumpkin and vanilla.

In a separate bowl, mix together flour, salt, pumpkin pie spice and baking soda. Add to creamed mixture and mix well. Stir in nuts. , Drop by teaspoonfuls (using a 2-teaspoon dough scoop, if desired) onto a well-buttered or parchment-lined cookie sheet. Bake for 15 minutes, or until lightly browned. Remove from cookie sheet and cool on rack.