Pupkin Cookies...Gluten Free

1 tsp baking soda
1 tsp baking powder
1 tsp cinnamon
1 cup rice flour
3/4 cup potato starch flour
1/2 cup shortening
3/4 cup white sugar
1 tsp vanilla
1 cup pumpkin
1/2 cup nuts

Preheat oven to 350 degrees. Sift dry ingredients together. Cream shortening and sugar. Add vanilla and pumpkin. Add dry ingredients and nuts. Beat until smooth. Shape cookies into 1 inch balls and place on greased cookie sheet. Press flat with a fork. Bake for 9-12 minutes.