[Ed. note: You can find the kimchi recipe Robin references below here.]
Recipes reprinted from Cook Korean!: A Comic Book with Recipes. Copyright ©2016 by Robin Ha. Published by Ten Speed Press, an imprint of Penguin Random House LLC.
"Vegetables are perishable, so we don't have any indication of what they looked like 500 years ago," says James Nienhuis, a professor in the Department of Horticulture at the University of Wisconsin.