Heat the oil in a large pot over medium heat. Add the onion and bell pepper and sauté until the onion is soft.
Add the garlic and sauté for another 1 to 2 minutes.
Add tomato sauce and beans and simmer for 5 to 10 minutes.
Stir in the cooked rice and broth. Season with salt and pepper.
Cook until hot, remove from the heat, and stir in the fresh herbs. Cover and let rest for 5 to 10 minutes before serving.