Corn
Corn Way in Leyton is the only specific instance of his grain, but Cornhill in the City of London was historically the site of a corn market so is definitely named after the ingredient.
Corn
The North American English name for maize, corn is a tall stout grass that produces cereal grain. As a food, corn is used to make a wide variety of dishes including Mexican tortillas and tamales, Italian polenta, and American hominy grits. Sweet corn, a genetic variety that is high in sugars and low in starch, is eaten in the unripe state as corn on the cob.