INGREDIENTS
2 tbsp
butter
1
medium onion, chopped (about 1 cup)
2
celery ribs, chopped
1
medium leek, white and light green parts only, sliced (see How to Clean Leeks)
1 clove
garlic, chopped (1 teaspoon)
1 1/2 lb
(about 2 large) orange-flesh sweet potatoes (a.k.a. yams), peeled, cut into 1-inch pieces (about 5 cups)
4 cups
chicken stock (use vegetable broth for vegetarian option)
1
cinnamon stick
1/4 tsp
ground nutmeg
1/4 cup
whipping cream
3/4 cup
milk
Salt
Pepper