Cut the mettenden into slices. Peel, wash and slice the carrots. Clean, wash and slice the leek. Peel and chop onion. Peel and wash potatoes and cut them into small pieces.
Heat the oil in a large pot. Fry the ends of the mead and the onion briefly. Add carrots, leek and potatoes. 3⁄4 Pour in l water, bring to the boil. Stir in broth and oregano. Cover and simmer for about 15 minutes.
Pour the beans into a sieve and rinse with cold water. Add the tomatoes and juice to the soup and chop coarsely. Add the beans, bring to the boil again and simmer for about 5 minutes. Season soup with salt, pepper and sugar.
The soup tastes better and better when warmed up and becomes a bit creamier.