In a large pot over medium heat, heat coconut oil.
To the pot, add the onion and garlic. Cook for 5 minutes then add the chicken and sweet potato. Cook for 5 minutes, until chicken is brown.
To the pot, add the remaining ingredients (broth through lemon zest) and stir.
Cover and reduce heat to low.
Simmer for 20 minutes, until chicken is cooked through and vegetables are tender.