Cannellini Alla Catania

• 2 tomatoes
• 1 onion (chopped)
• 1 garlic clove (minced)
• 1 bay leaf crumbled
• 1,400 ml water
• 500 gr canellini beans (dried)
• 5 ml instant beef broth
• 3 gr salt
• 1 gr thyme crumbled
• 1 gr pepper