Mix ingredients for the sauce in a small bowl: miso, tamari, water, ginger, and garlic.
Heat sesame oil in a pan over medium heat.
Add brussel sprouts and cook for about 3 minutes, until just starting to brown.
Add mushrooms and cook for 2 minutes
Add sauce and let simmer for 3-4 minutes before adding chickpeas. Add chickpeas, mix well, and serve with coconut rice.
For rice, mix coconut oil and shredded coconut into warm brown rice.