Brush or wipe your slow cooker with the oil.
Add the chicken to a 6 qt crockpot, and season with sea salt and pepper to taste.
Stir in the peppers, onions, mushrooms, garlic, and all seasonings.
Add the crushed tomatoes and broth and give it all a good stir.
Place the lid on and cook on HIGH for 4-5 hours or on LOW for 8-10 hours.
Remove bay leaves.
Dish onto cooked quinoa, or brown rice, garnish with fresh chopped parsley, and serve with a side of roasted broccoli.