crock pot on low

add tomatoes celery carrots chicken broth onion oregano basil and bay leaf

cover and cook 5/7 hours

prepare a Roux.... melt butter over low heat in skillet and add flour

stir constantly 5-7 minutes. slowly stir in 1 coup hot soup

add all back into soup

stir and add parmesan cheese, warmed half and half, salt and pepper

add more basil and oregan to taste

cover and cook on low another30 minutes