Dozens of the world’s most important foods originated in the Americas, domesticated by indigenous peoples long before Europeans arrived in 1492. Many of these crops are now so deeply woven into global cuisines that it’s easy to forget they didn’t exist in Europe, Asia, or Africa until a few centuries ago. Italy had no tomatoes, Ireland had no potatoes, Thailand had no chili peppers, and Switzerland had no chocolate.
Grains and Pseudograins
Maize, better known as corn, is the single most important grain to come from the New World. Indigenous peoples in the Central Balsas River Valley of southwestern Mexico domesticated it from a wild grass called teosinte roughly 9,000 years ago. That one crop now accounts for more global production by weight than wheat or rice. Corn spread throughout the Americas over thousands of years, adapted into hundreds of varieties suited to different climates, and became the dietary backbone of civilizations from the Maya to the Inca.
Three other grains round out the New World contribution. Quinoa was domesticated in the Andes, amaranth in Mesoamerica, and wild rice grew naturally in the Great Lakes region of North America. All three are technically pseudocereals (seeds from non-grass plants), but they functioned as staple grains for the peoples who cultivated them. Quinoa and amaranth have surged in popularity in recent decades, but they were feeding millions of people for thousands of years before that.
Vegetables and Squash
Squash may actually be the oldest domesticated plant in the Americas. Archaeological evidence from Mexico places domesticated squash at roughly the same time as maize, around 9,000 years ago. The squash family from the New World includes pumpkins, butternut squash, acorn squash, zucchini, and several other varieties. Together with maize and beans, squash formed the “Three Sisters” planting system used across North America, where the three crops were grown together in a mutually beneficial arrangement.
Tomatoes and chili peppers both belong to the nightshade family and both trace their wild ancestry to western South America, in the region spanning Peru, Ecuador, and Colombia along the Andes. The most common chili pepper species was domesticated in Mexico from a wild bird pepper, a tiny, intensely pungent berry. Tomatoes followed a similar path northward before being brought to Europe by Spanish explorers. The Iberian Peninsula then became a major secondary center where both crops diversified into many of the varieties we know today.
Other New World vegetables include chayote (a mild, pear-shaped squash still popular in Latin American cooking) and the husk tomato, known today as the tomatillo.
Roots and Tubers
The potato may be the most consequential food export from the Americas. Domesticated in the Andes of South America, it eventually transformed European agriculture and demographics. One economic study estimated that the introduction of the potato accounts for roughly 17% of the total population increase in the Old World between 1700 and 1900, and about 34% of the increase in urbanization during that same period. A single crop that could grow in poor soil and cold climates made it possible to feed far more people per acre than wheat.
Cassava (also called manioc) is a starchy root that remains a staple food for over 500 million people in the tropics today. Genetic evidence points to the southern border of the Amazon basin, in what is now western Brazil, as its place of domestication. It was already widely grown throughout the tropics of the Americas by 3,000 years ago. Cassava is propagated almost exclusively through stem cuttings rather than seeds, which means it spread only where people intentionally carried it.
Sweet potatoes, though unrelated to regular potatoes, also originated in the Americas. They were cultivated in Central and South America and somehow reached Polynesia before European contact, one of the more intriguing puzzles of pre-Columbian history.
Beans and Peanuts
Common beans, the category that includes kidney beans, black beans, navy beans, and pinto beans, were domesticated independently in two separate locations: once in Mesoamerica and once in the central to southern Andes, starting around 8,000 years ago. Lima beans also come from the Americas. These legumes provided a critical plant-based protein source and, when paired with corn, supplied a nearly complete set of amino acids.
Peanuts (groundnuts) originated in South America, likely in the region that is now Bolivia or Paraguay. Despite the name, they’re legumes, not nuts. They were widely cultivated across the Americas before being carried to Africa and Asia by Portuguese and Spanish traders, where they became deeply integrated into local cuisines.
Fruits and Nuts
A surprising number of everyday fruits are New World natives. Pineapple came from South America. Papaya originated in the lowland tropics of Central America. Blueberries and huckleberries are native to North America. The modern garden strawberry is a hybrid of two American species: one from Chile and one from eastern North America. Even the cactus pear, common in Mexican and Mediterranean cooking, started in the Americas.
Cashews are native to northeastern Brazil. Unlike most nuts, the cashew grows attached to a fleshy fruit called the cashew apple, which is eaten fresh in tropical countries but rarely seen elsewhere because it spoils quickly.
Cacao, Vanilla, and Beverages
Chocolate begins with cacao, a New World crop that Mesoamerican civilizations consumed for centuries as a prepared drink, not as a solid bar. The Maya and Aztec made cacao beverages by roasting and grinding cacao beans, then mixing the paste with a small amount of cooked maize to thicken it. Flavorings included vanilla, ear flower, annatto, and sometimes chili peppers or honey. Mesoamerican nobility drank cacao at official gatherings and marriage ceremonies, and it accompanied rulers into their tombs as an offering.
Vanilla itself is a New World orchid, originally from Mexico, and was used alongside cacao long before Europeans encountered either one. Indigenous peoples drank their cacao cold. The Spanish introduced the habit of heating it, and the word “chocolate” entered European languages from that point forward. A Franciscan dictionary from 1577 translated the Mayan term “chacau haa” as chocolate, though it more accurately meant “hot water.”
Mate, the caffeine-rich tea brewed from the leaves of a South American holly, also originated in the New World and remains a defining cultural beverage in Argentina, Uruguay, Paraguay, and southern Brazil.
Sunflowers and Other Surprises
Sunflowers were domesticated by indigenous peoples in North America and used as a food source for their oil-rich seeds long before becoming the major oilseed crop they are today. They’re one of the few globally important crops domesticated in what is now the United States.
The turkey is one of only two significant meat animals domesticated in the Americas before European contact. The other is the Muscovy duck, domesticated by Central and South American peoples before Columbus arrived. The Americas had far fewer domesticable large animals than Eurasia, which is one reason indigenous agriculture was so heavily plant-based compared to Old World farming traditions.
Foods That Did Not Come From the Americas
Several foods that people commonly associate with the Americas actually originated in the Old World. Bananas came from Southeast Asia. Coffee is native to Ethiopia. Rice, wheat, barley, and oats are all Old World grains. Oranges, lemons, and other citrus fruits originated in Asia. Onions, garlic, carrots, cabbage, and eggplant are all from Eurasia. Grapes, peaches, pears, and apples (beyond the tiny native crab apples) came from the Old World. Sugar cane originated in New Guinea. Tea is from China.
The global exchange of crops after 1492, often called the Columbian Exchange, moved foods in both directions. But the New World’s contribution was disproportionately large relative to its share of the global population at the time. Corn, potatoes, tomatoes, peppers, cacao, beans, squash, and cassava collectively reshaped agriculture and diets on every inhabited continent.