Is There a Difference Between Yams and Sweet Potatoesの見逃せないポイントをわかりやすく整理しました。

Look at the skin. Sweet potato skin is thin, smooth, and easy to peel. Yam skin is thick, rough, and tough. You basically need a saw.

Check the ends. Sweet potatoes taper at both ends like a long, lazy football. Yams are more cylindrical and often have a knobby, bulbous shape—like misshapen potatoes on steroids.

18 Commonly Confused Foods

And taste? Sweet potatoes are, well, sweet. Yams are more starch than sugar—kind of like a regular potato’s boring cousin.

Why the Confusion Won’t Die

Blame marketing. And history. Enslaved Africans in the Americas called sweet potatoes “nyami” after the African word for yam. The name stuck, even though the two are from different scientific families.

Now, most canned “yams” are actually sweet potatoes dunked in syrup. Yes, you’ve been yamming wrong your whole life.