1 (2 1/2 lb) head cauliflower, large stem removed and discarded, remaining chopped into small pieces
2 carrots , peeled and diced (1 cup)
2 stalks celery , diced (scant 1 cup)
1 medium onion , diced (1 1/3 cups)
2 cloves garlic , minced
1/4 cup butter
1/3 cup all-purpose flour
3 cups low-sodium chicken broth
1 bay leaf
Salt and freshly ground pepper , to taste
1 1/2 cups milk
1/2 cup heavy cream
For serving:
4 - 6 slices bacon , cooked and diced (optional)
1 cup shredded cheddar cheese
2 green onions , chopped