Season the chicken with salt and pepper. Cook the Chicken in your stockpot (about 3-4 mins per side), set aside.
In the same pan, saute the onion until browned (about 2-3 minutes).
Add the garlic and saute (1-2 mins).
Add the mushrooms and saute (2-3 mins)
Add the seasonings and saute (about 1-2 mins).
Add in the bone broth and chicken.
When hot, add in the brussel sprouts.
Allow the soup to come to a boil and then simmer for at least 15 minutes.
Serve with cilantro and fresh Parmesan cheese.
