1. In a Dutch oven over medium-high heat, warm the olive oil. Add the sweet potato, onion, and bell pepper and cook for 10 minutes, stirring occasionally.
2.Add the garlic, tomato paste, chile powder, and cumin. Add salt and pepper to taste and stir it all together. Add tomatoes, black beans, honey, zest, juice, and 2 cups of water, and bring to a simmer. Cover and cook over low heat for 30 minutes, until the sweet potato is very tender.
3.Check for seasoning and add more salt and chili powder as needed and serve.