Simple and very good. A very healthy choice for a family dinner.
In a large saucepan, heat the oil. Add the onions, green peppers, and garlic and saute for 3 minutes. Add the black beans and oregano. Bring to a boil, then cook over medium heat for 5 minutes. Add the balsamic vinegar and remove from the heat. Stir in the red peppers.
To serve, place the rice in individual serving bowls and spoon the beans on top. Offer the tomatoes, cheese, and hot sauce on the side.