Peasant Soup

• 2 onions (chopped)
• 2 garlic (cloves minced)
• 2 bay leaves
• 500 gr great northern beans (dried)
• 400 gr tomatoes with liquid up (cut)
• 30 ml olive oil
• 1 gr basil (dried)
• 1 gr pepper
• 3 slices carrots (sliced)
• 3 slices celery ribs (sliced)