It’s Columbus Day. (We’re working anyway. Are you?) As we know, the arrival of the explorer changed the world in more ways than one. His voyage also had particular ramifications on the world of food as part of a larger phenomenon called “the Columbian Exchange,” as coined by historian Alfred W. Crosby in 1972.

Caramel Swirl Hunks (Julia Ewan/The Washington Post)

Abigail’s Top-Secret Brisket of Beef, which includes multiple ingredients brought by Europeans, including pears, beef and onions.

Mushroom and Barley Soup, featuring one of the grains that took root in the New World.

Caramel Swirl Hunks, with oats and lots of sugar.

Salad Greens With Cranberry Vinaigrette, for the lettuce introduced to the Western Hemisphere.