Apple-Yam Soup

1. 1

   In a 3- to 4-quart pan over high heat, frequently stir celery and onion in oil until lightly browned, about 5 minutes. Add yams, apples, and broth; bring to a boil, cover, reduce heat, and simmer until yams are tender when pierced, about 15 minutes.

2. 2

   With a slotted spoon, transfer vegetables and apples to a blender or food processor; whirl until smooth, adding enough cooking liquid to puree easily. Pour puree back into pan and stir over medium-high heat just until steaming, 2 to 3 minutes.

3. 3

   Ladle soup into wide bowls. Add yogurt, salt, and pepper to taste.

* Per serving · 4 servings · Values may vary.

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