Veal Stock

2 tablespoons olive oil 2 leeks , cleaned and sliced 2 medium carrots , sliced 2 stalks celery , sliced 1 1/2 kg veal bones or 2 kg chicken pieces 3 garlic[...]

8 lbs large veal bones, such as leg bones 2 white onions 4 whole cloves 2 large carrots , peeled and coarsely chopped 3 celery , coarsely chopped 20 garlic[...]