Southwestern vegan bowl

Name: Southwestern vegan bowl
Cuisine: American, Southern
Ingredients: 2 teaspoons canola oil; 1 cup chopped red onion; 2 cups chopped green bell pepper; 1 chili pepper of your choice, minced; 2 cloves garlic, minced; 1 cup diced sweet potato; 1 cup chopped tomato; 1 cup brown rice; 1/2 cup green lentils; 1/2 cup red lentils; 1 tablespoon ground cumin; 1 tablespoon fresh ground pepper; 1 tablespoon red wine vinegar; 2 cups no-salt-added vegetable stock; 2 cups water; 4 cups chopped kale; 1 cup cooked black beans; 2 tablespoons minced fresh cilantro; 4 lime wedges