Beans with onions

Instructions

1. Soak the beans overnight in cold water, then drain them.
2. Cook the beans in water for 1 hour over medium heat until tender, skimming if needed.
3. Meanwhile, fry the sliced onions in the oil until they turn well browned, about 15 minutes.
4. Add the garlic and chopped tomatoes to the onions and let them reduce for 10 minutes.
5. Pour the onion and tomato mixture over the cooked beans, season, and add a little water if needed.
6. Simmer gently for another 15 minutes before serving.