Fava Bean Soup
3 tablespoons olive oil2 large leeks, white and pale green parts only, cleaned and sliced1 large onion, chopped2 large carrots, peeled and diced4 stalks celery, chopped2 medium turnips, peeled and diced2-3 large potatoes, peeled and diced2 cups frozen double-peeled fava beans6 cups water, vegetable stock or chicken stock2Tablespoons chicken consommé (optional)Salt and white pepper, to…