Found this recipe in a Greek cookery book, since lost, but this survived.
Greek Bean Soup
2 cans of Heinz beans, 2 large diced carrots, 1 large diced onion, 1 cup celery leaves + stalks, half a head of crushed garlic, 2 bay leaves, 1 tsp. dried mint, 1 cup chopped parsley, half cup olive oil, basil, oregano etc., 2 small cans tomato paste, salt, pepper, chicken stock, and some marrow bones (not essential).
In a large saucepan, sauté onions, carrots, parsley, celery, garlic and herbs in olive oil till golden brown. Add tomato paste and beans, stir well. Add the stock to cover three -quarters way up the pan. Add bones, and bring to boil. Reduce the heat and simmer until the vegetables are soft.