Potato Leek Soup with Italian Sausage

Italian sausage, spicy or mild

olive oil

leeks (white and light green parts only), chopped

medium carrots, chopped

garlic cloves, minced

dry (not sweet) white wine, see Notes

chicken or vegetable broth

yukon or gold potatoes, chopped

bay leaf

sprigs fresh thyme, stems removed

Salt and pepper,

milk or cream