In a large fry pan over medium high heat, add oil. Add the cumin, and chili powder.
Add the chopped mushrooms and sauté until browned, shrunken and dried out, about 3-5 minutes. Add the garlic, sauté for 1 minute.
Add the minced chicken and sauté until browned and opaque, about 5 minutes.
Add the shredded cabbage, shredded carrot, green onion. Sauté until the cabbage and carrot have wilted, about 5 minutes.
Add the chickpeas and reserved sweet potato, stir through the chicken mixture.
Taste for salt and pepper, adjust seasoning as necessary.
Distribute the cooked mixture into each sweet potato half. Sprinkle with fresh parsley or cilantro if desired. Serve.