Sweet Potato Spiced Chili

Name: Sweet Potato Spiced Chili
Cuisine: American
Ingredients: vegetable oil; large onion, chopped; garlic cloves, minced; ground cumin; chili powder, or less for less spicy †; dried oregano; smoked paprika powder; ground black pepper; tomato paste; canned crushed tomatoes; water; cooked black beans; cooked kidney beans; cooked brown lentils; vegetable bouillon cubes, crushed; large sweet potato, finely chopped; red bell pepper, finely chopped; canned corn; avocado, chopped; pickled red onions; vegan sour cream; jalapeño, sliced