In large bowl combine brown rice flour, potato starch, tapioca starch,cocoa, baking powder, baking soda, salt and xanthan gum. Whisk well.
Add eggs, buttermilk and oil to dry ingredients and stir well with a spatula. Beat for a few minutes to make batter smooth.
Add chocolate chips to batter.
Make waffles according to your waffle maker.
This batch of batter made 7 large waffles for me.
Strawberry Butter -Puree 1 cup of organic strawberries and add a 1/2 cup of softened butter. Mix together.