This vegan sweet potato chili is a hearty and flavorful meal that's perfect for a cold day. To make it, start by sautéing some diced onion and garlic in a little bit of oil. Add some diced sweet potato, canned diced tomatoes, and vegetable broth. Season with chili powder, cumin, and smoked paprika. Add some canned black beans and corn, and simmer until the sweet potato is tender. Serve with some crusty bread or cornbread for a satisfying meal.