Even exchange

"From the New World to the Old came amaranth grain, avocados, various beans, bell peppers, blueberries, cashews, chile peppers, cocoa, vanilla, corn, papayas, peanuts, pecans, pineapples, white and sweet potatoes, pumpkins, quinoa, and tomatoes.

"In turn, the Old World sent to the New apples, artichokes, asparagus, bananas, barley, black pepper, cabbage, carrots, coffee, lemons and limes, garlic, lettuce, oats, millet, olives, peaches, peas, rice, rye, soybeans, sugarcane, tea, and, perhaps most important, wheat."

John Mariani, in "How Italian Food Conquered the World"