Preheat oven to 350°.
In large bowl cream together butter,brown sugar, sugar.
Add 3 eggs and vanilla extract to butter and sugars.
Sift xanthan gum, pastry flour, baking soda, baking powder, and salt together and then add to mixture.
Add chocolate chips and mix well.
Tbs size round balls on pan 2 inch. apart
Bake for 12-14 minutes or until golden brown.