What's in a name? Well, for starters, sweet potatoes aren't really potatoes -- they're actually in the morning glory family. And yams are in a genus all their own, more closely related to lilies than spuds. The naming confusion can be traced to the American South in the 18th and 19th centuries, when African slaves encountered the sweet potato and naturally linked it in their minds with their native yam. But they're both delicious no matter they're called -- nomenclature aside, today we take a close look at sweet potatoes and yams.
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