Minestrone Soup with romano

1 ounce butter 1 gallon chicken stock 1 tablespoon olive oil 1 bay leaf 1/2 lb carrot (1/2-inch cubes) 1/4 lb Tomato (1/2-inch cubes) 1/4 lb celery (1/2-inch[...]

2 lbs Italian sausage 2 tablespoons olive oil 1 medium onion , peeled and diced 1/2 lb carrot , peeled and chopped into coins 2 small zucchini , halved and[...]