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In the trenches of World War I, Salvation Army volunteers Margaret Sheldon and Helen Purviance fried doughnuts for American soldiers, and the Salvation Army created National Donut Day in 1938 to honor that work. This episode follows fried dough from Cato the Elder's Roman globi to a 13th century Arabic recipe for sfenj, in which a ring of dough was fried first to test whether the yeast was ready....

Tomatoes in Italy, chili peppers in India and potatoes in Ireland all arrived after 1492. This episode looks at the Columbian Exchange, a term historian Alfred W. Crosby coined in 1972 for the transfer of plants, animals, diseases and people between the Old World and the New World after Columbus's voyages. We explain how the potato drove an estimated 12 to 25 percent of population growth across Eu...

The kiwifruit started out as a wild Chinese vine known by names like macaque peach, gathered by foragers and used in folk medicine. This episode follows it from Tang and Song dynasty records to New Zealand, where Hayward Wright developed the fuzzy green Hayward variety around 1924. It was sold as the Chinese gooseberry until the late 1950s, when a US importer warned that the name was a liability d...

The word burrito means little donkey, and in an 1895 dictionary of Mexicanisms it was simply the Guanajuato word for a taco. This episode traces how that regional slang became a food of its own. We start with the tortilla-wrapped meals of the Maya and the Pueblo peoples, then weigh the folk stories: bedrolls on a donkey, Juan Mendez's street stand in Ciudad Juarez during the Mexican Revolution, an...

When South Korea sent its first astronaut, Yi So-yeon, to the International Space Station in 2008, scientists had to engineer a sterilized space kimchi that would not swell up from fermentation gases or be affected by cosmic radiation. This episode explains why the dish mattered that much. It began as a survival food on the Korean Peninsula more than a thousand years ago, when vegetables were pack...

Tapas began as a literal cover. The word comes from the Spanish verb tapar, to cover, and this episode traces how a slice of cured ham laid over a glass of wine grew into a dining style known around the world. We go through the competing origin stories: King Alfonso X of Castile's royal decree requiring snacks with wine, King Alfonso XIII's windy visit to Cadiz, and the fruit fly theory popularize...

In 1884 an American writer called chop suey China's national dish, yet in 1903 a visitor from Guangdong wrote that Chinese people in America refused to eat it. This episode looks at what chop suey is, why its name means something like odds and ends or mixed leftovers, and how the term once referred to cooked animal organs. We debunk the popular origin myths involving railroad workers, Qing statesm...

On October 5, 1842, a brewery in Pilsen poured a golden, crystal-clear beer unlike the dark, cloudy ales Bohemians were used to. This episode explains the science behind that change, from warm top-fermenting ale yeast to cold, bottom-fermenting lager yeast, and the earlier work of Czech brewer František Ondřej Poupě, who published guidance on brewing in 1794. We look at how Bavarian brewer Josef G...

That hazy, fruity IPA at your local craft brewery started out as a beer built to survive a months-long voyage from Britain to India. This episode begins with coke-fired malting, which made paler ales possible, and explains how brewers fermented these beers longer and added lots of hops to keep them from spoiling during trips around Africa's Cape of Good Hope. We follow London brewer George Hodgson...

The saffron crocus is a sterile plant that cannot make seeds, so every saffron plant alive is a clone that humans must dig up, divide, and replant by hand. This episode explains how a plant that could not survive without us became a spice that can cost up to $11,000 a kilogram, needing about 150,000 hand-picked flowers for every kilo. We break down the three compounds behind saffron's color, flavo...

The name Tex-Mex started as an abbreviation for the Texas-Mexican Railway, chartered in 1875, and had nothing to do with food at first. This episode makes the case that Tex-Mex was not invented in a boardroom but grew out of the everyday ranching food of the Tejano people, with beef, goat, flour tortillas, and the cumin brought by Canary Islanders who settled San Antonio in 1731. We look at how th...

In 1986, a McDonald's opening near Rome's Spanish Steps sparked protests, and that anger grew into the global Slow Food movement. This episode follows Carlo Petrini's push to defend local food culture, the 1989 Slow Food manifesto signed in Paris, and the idea that food should be good, clean, and fair, which the movement calls eco-gastronomy. We look at how local chapters called convivia run the m...

Ramen feels like an ancient Japanese tradition, but it began with Chinese noodle soups in Yokohama's Chinatown in the late 1800s. This episode explains why ramen noodles are cut rather than hand-pulled despite the name's link to lamian, how the dish went from Nanking soba to shina soba to chuka soba, and how Rairaiken in Tokyo helped turn it into Japanese-Chinese fusion in 1910. We look at postwar...

In 1560, King Charles IX of France had to order waffle vendors to stay apart because they kept brawling over street corners. This episode traces the waffle from flat cakes the ancient Greeks cooked between hot metal plates, through medieval communion wafer irons and oublie makers, to spices brought back after the Crusades and a 14th-century Paris recipe with wine and cheese. We explain how beer ye...

A banh mi is a crackly baguette filled with pâté, cold cuts, pickled vegetables, cilantro, and chili, and its history includes colonial rule, war, and migration. This episode starts in the 1860s, when French colonists brought the baguette to Vietnam as an imported luxury, and explains why the word banh was used for Vietnamese breads and cakes long before the French arrived. We look at how World Wa...

Doner, gyros, and shawarma all mean turning, which is a clue that this food is defined by how it is cooked. This episode traces the vertical rotisserie back to 19th-century Ottoman cooks in Bursa and Kastamonu, explains how standing the spit upright lets the meat baste itself, and follows the dish into the elite restaurants of 1940s Istanbul. We follow the spit as migrants carried it to Greece, th...

In 1900, brothers Andre and Edouard Michelin gave away a free guide to help France's few motorists find fuel, mechanics, and hotels, all to sell more tires. This episode follows how that little red book became the most feared judge of fine dining, from charging for it in 1922 to the star system and its road-trip wording, like worth a detour and worth a special journey. We look at the secrecy aroun...

Tea is the world's second most consumed drink after water, and its history is anything but calming. This episode follows tea from bitter leaves chewed raw or boiled into soup in ancient Yunnan and Sichuan, through its refinement in the Tang dynasty, to the trade routes that explain why the world calls it cha, chai, or tea. We cover Britain's tea obsession and the silver drain that led the East Ind...

Sushi actually means sour-tasting and refers to the vinegared rice, not the raw fish. This episode traces the dish back to Southeast Asia's Mekong and Irrawaddy river basins, where fish was packed in rice to ferment for months, and follows it through Japan's shorter namanare fermentation to Edo-era fast sushi made with vinegar. We cover Hanaya Yohei's large, hand-pressed nigiri sold from street ca...

Sugar molecules have been found in interstellar space, in meteorites, and on the asteroid Bennu, yet the same molecule sits at the center of a modern health crisis. This episode starts with the chemistry of simple and compound sugars, including glucose, fructose, galactose, lactose, maltose, and sucrose, and explains why humans evolved to crave sweetness. We trace the word sugar from Sanskrit to E...

At the turn of the 20th century, American bartenders handed out salty caviar for free so customers would buy more beer. This episode looks at how sturgeon roe went from peasant food and cheap bar snack to one of the most expensive foods on Earth, starting with the strict definition that limits true caviar to sturgeon and the Persian roots of the word. We cover medieval Russians eating their roe ho...

How did a humble folded tortilla end up with a Michelin star? This episode starts at El Califa de León, the standing-room-only Mexico City taco stand honored in 2024, then digs into the surprising roots of the word taco, from Spanish wedges and billiard cues to the paper-wrapped gunpowder charges of 18th-century silver miners and the Nahuatl word tlahco, meaning half or in the middle. We follow th...

In a 2003 poll, a third of American tourists in Scotland reportedly believed haggis was a living animal. This deep dive separates the playful myth of the wild haggis from the real story of Scotland's national dish. We explain haggis as an ancient solution to spoiling offal, then weigh its contested origins, from Roman cooking to English recipes from around 1390 and 1430 and Old Norse word roots. W...

On Christmas Eve 1910, Sam Zemurray sent an armed yacht carrying mercenaries and an exiled general toward Honduras to topple its government, all to secure banana concessions. This deep dive follows the controversial life of the man who went from fruit peddler to head of United Fruit. We cover Minor C. Keith's railroad deal and the creation of United Fruit, the Hornet expedition, and Zemurray's 193...

Root beer began as a sassafras and sarsaparilla remedy, fermented with yeast into a naturally carbonated small beer with low alcohol. This deep dive traces how that pharmacy tonic became the frosty soda we know today. We follow pharmacist Charles Elmer Hires, a teetotaler who launched his extract at the 1876 Centennial Exposition and chose the name root beer over root tea to appeal to coal miners....