But many Europeans still think of them as an "exotic vegetable."
We're talking about the sweet potato.
American farmers are finding a growing market in Europe for the Thanksgiving stable.
Even Ireland, famous for its white potatoes, is getting a taste for them.
U.S. officials report sweet potato exports doubled between '05 and '09.
North Carolina grower Jerome Vick says sweet potatoes are a great-tasting vegetable.
He adds it's just taken a while for that news to get across the ocean.