Meat might be the star of corned beef hash, but potatoes play a crucial role, too. The type of spud you use will affect the texture and flavor.

Corn takes on myriad configurations, from the classic corn on the cob to popcorn to more processed options including corn flour and corn syrup. How, then, do you classify such a versatile food?

Corn isn’t just a crop — it is a cornerstone of U.S.-Mexico trade and North American economic integration. But recent actions by Mexico are putting this relationship to the test, with ...