Pumpkin Harvest Cookies

2 1/4 cups flour 
1 tsp pumpkin pie spice 
1/2 tsp baking soda 
1 cup butter 
1 1/2 cups packed dark brown sugar 
1 cup pumpkin puree 
2 eggs 
1 tbsp vanilla 
10 oz white chocolate 
1 cup toasted pecan pieces 

1. Preheat oven to 300F. 
2. Whisk together flour, pumpkin pie spice and baking soda. 
3. In a separate bowl, cream the butter and sugar. Beat in pumpkin, then beat in the eggs and vanilla. 
4. Fold in flour mixture. Fold in walnuts and chocolate chips, being careful not to over mix. 
5. Bake on an ungreased cookie sheet for 20-22 minutes, or until set.