• prep: 15 min
• cook: 0 hr
• total: 15 min

servings:

Caramelized sweet potatoes and red onion pair well with green beans and walnuts. Heads of lettuce cost less than bagged pre-prepped varieties -- they have better flavor, too.

• 2 sweet potatoes, peeled and cut into 1-inch chunks
• 1 medium red onion, quartered
• 2 tablespoons olive oil
• Coarse salt and ground pepper
• 1 package (10 ounces) frozen cut green beans, thawed
• 1/3 cup walnuts
• 1 cup plain low-fat yogurt
• 2 tablespoons white-wine vinegar
• 1 garlic clove, crushed through a garlic press
• 1 head (10 ounces) red-leaf lettuce, torn into bite-size pieces

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