Preparation In a Dutch oven or other heavy-bottomed pot with a lid, heat the olive oil over medium high heat. Add the onion and bell pepper and cook, stirring frequently, until the vegetables are tender and the onion is translucent, about 5 minutes. Add the garlic, corn and black beans and cook until the corn and beans are heated through, about 2 minutes.Stir in 1 1/2 cups water, the diced tomatoes and their juices, chili powder, cumin, rice and a pinch of salt and pepper. Bring to a boil, cover, reduce the heat and simmer until the rice is cooked, about 20 minutes.Stir in the cheese until melted. Taste for seasoning and serve garnished with chopped cilantro.