1/2cupraw cacao powderclick here to buy - If you like a lighter chocolate flavor, start with 4 Tbsp and gradually add more to your liking (Just realize that the less cacao you use, the more the green from the spinach will show through)
Place only the coconut milk and spinach in a Vitamix (click here to buy) or other high powered blender. Blend on low-medium speed until completely smooth.
Add remaining ingredients and blend on medium-high until smooth.