What's the Difference Between Yams and Sweet Potatoes? — Word of Mouth

Do you know the difference between a yam and a sweet potato? Most grocery stores offer two similar-looking tubers — some labeled as yams, and some as sweet potatoes.

Would you be surprised if I told you that all those times you thought you were eating yams, you were likely eating a sweet potato, and that you probably haven't ever actually had a true yam? And yet yam and sweet potato do mean different things in grocery stores. Here's the scoop on these tubers, with tips for getting the one you want at the grocery store.

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