Mix flour blend, xanthan, salt, and baking soda together. Cream Earth Balance and sugars in a separate bowl. Add in vanilla extract. Add in the flour mixture, alternating with the rice milk.
Gently stir in chocolate chips. Place dough in fridge for 30 minutes. Then place rounded spoonfuls of dough on parchment lined cookie sheet. Bake at 350 for 11 minutes. Cool for 5 minutes on cookie sheets and then remove to cooling rack.