Sweet potatoes and potatoes are as closely related as onions and asparagus—in the same botanical order, different families. Sweet potatoes are true root vegetables, an enlarged section of the root used by the plant to store energy, while potatoes are stem tubers, formed from the stem of the plant. Lucky for us, the sweet potato isn't only nutritious (high in vitamins A and C), it's also both tasty and versatile. From simple mashes to casseroles, gratins, and pies, check out our best sweet potato recipes.

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September 10, 2010