pumpkin cookies

Hi, a few weeks ago I found this recipe I really like, and all my family like this cookies they don't even know they are made with pumpkin, well here is the recipe, I found it in a recipes exchange site that I recommended.
If you have any question please ask because I already make this cookies 3 times.
Ingredients
2 1/2 cup gluten-free flour blend*
1 tsp xanthan gum
1 tsp baking soda
1 tsp baking powder
1 tsp cinnamon
1/2 tsp nutmeg
1/2 tsp salt
1 1/2 cups sugar
1/2 cup butter, softened
1 egg
1 cup canned pumpkin
1 tsp vanilla
1/2 cup raisins or chocolate chips
Directions
Step 1. Combine gluten-free flour mix, xanthan gum, baking soda, baking powder, cinnamon, nutmeg and salt in a medium bowl.
Step 2. In a mixing bowl, beat butter and sugar until light and fluffy. Beat in egg, pumpkin, and vanilla. Add in dry ingredients. Stir in raisins or chocolate chips.
Step 3. Drop by tablespoons onto an oil sprayed baking sheet. Bake at 350 for 15 to 18 minutes.