Yohei's sushi innovation turned sushi into a convenient fast food

Nigiri took relatively little time to prepare, making it an ideal dish to serve from a food stand. The success of Yohei’s stand, where customers could select their desired toppings, inspired others to open similar businesses.

Conveyor belt sushi was invented in 1958

Yoshiakai Shiraishi had trouble staffing his sushi restaurant with waiters. When he saw a conveyor belt moving beer bottles at a brewery, he realized the technology could solve his problem. He unveiled his innovation at his Osaka restaurant in 1958, introducing a style, kaitenzushi, that would be replicated by others—and contribute to sushi’s growing popularity.

The rice in sushi was originally used as a way to preserve fish, but wasn't intended to be eaten.

Watch a Japanese chef demonstrate how he prepares sushi

Tokyo's Naomichi Yasuda shows how he cuts tuna, wraps a maki roll, and assembles nigiri. In the process, he explains the proper way to enjoy the creations, offering advice for getting the most flavor.

Westerners didn't encounter sushi until the mid-1800s because Japan was closed off to tourists.

A television show helped popularize sushi in the US in the 1980s

"Shogun," a miniseries released in 1980, followed a British sailor's journey through 17th-century Japan. Nearly a third of American households watched its five installments, and it was used as an instructional text in classrooms throughout the '80s, inspiring a wave of American interest in Japanese culture, including sushi.

A Netflix documentary ignited an omakase sushi craze

Before 2012, edomae omakase was an expensive sushi experience that was not particularly popular in the US. That changed with “Jiro Dreams of Sushi,” a 2011 film about the 85-year-old owner of Sukiyabashi Jiro, an omakase restaurant with three Michelin stars, that earned rave reviews. Demand for omakase exploded, and restaurants responded by raising their prices.

Norway is responsible for salmon sushi

Japanese sushi did not include salmon until the mid-1990s because Pacific salmon was known to contain parasites. Norway, meanwhile, had an abundance of Atlantic salmon, which was safe to eat raw. The country smelled an opportunity and launched Project Japan, which successfully convinced the country that Atlantic salmon was safe to include in its cuisine.

The sushi burrito hails from San Francisco

Inventor Peter Yen wanted to combine sushi-making techniques with Latin flavors, so he founded Sushirrito, which specializes in burrito-sized sushi rolls with Mexican-inspired fillings like ginger guacamole.

The first sushi bar in the US opened in the 1960s in Los Angeles

Kawafuku opened in the city’s Little Tokyo neighborhood in 1923 and installed its sushi bar in the mid-1960s. The restaurant primarily sourced local seafood, including abalone, though it also imported fish from Japan, attracting many Japanese expatriates.

Sushi contains cooked or raw fish, and comes in various rolls and styles

In the US, most sushi restaurants serve maki and uramaki, which feature fish wrapped in rice. But those are far from the only styles of sushi out there.

Sinaloan sushi is a Mexican take on the Japanese classic

Sushi became popular in Mexico in the early 20th century, thanks to Japanese immigrants who settled in Sinaloa, a Mexican state that runs along the Pacific Ocean. The region’s modern-day sushi blends both cultural traditions, evident in items like the Mar y Tierra roll, which includes carne asada and shrimp.

Sushi apprenticeships often last for at least 10 years

Sushi is often treated as a precise art form, with master chefs taking on apprentices who must slowly earn the responsibility of preparing the food. In the video below, Oona Tempest, an apprentice at Tanoshi Sushi NYC, explains what the years-long process entails.

Bluefin tuna, now used in high-end sushi, was once reserved for cat food

Until the ‘70s, the enormous fish were the base for cat food or, at times, thrown into the trash. Now it’s the most expensive fish in the ocean and is a popular topping for nigiri sushi thanks to the abundance of fat in its belly.

'Omakase' roughly translates to 'I'll leave it up to you'

An omakase restaurant allows sushi chefs to craft custom-made rolls for patrons. The meals are often expensive, but there are good reasons for that: They include the freshest ingredients the restaurant has to offer and usually have limited spots. This short documentary focuses on Royal Sushi and Izakaya in Philadelphia.

Funazushi takes 3 years to prepare

Funazushi is a type of honnare (sometimes spelled hon-nare or called narezushi) sushi. Unlike nigirizushi, the quicker form that's commonly found in restaurants, honnare is preserved over a long stretch of time. Mariko Kitamura, who runs a funazushi shop in Takashima City, Japan, describes the dish as a "fish version of prosciutto" with a saltiness that's similar to caviar.

The best sushi restaurants in the US

Not every sushi spot is the same: They have different fish distributors, different menus, and different vibes. This list ranks US restaurants that have excelled across the board, highlighting well-regarded omakase counters (like New York’s Sushi Nakazawa) and old-school bars (like Los Angeles’ Sushi Gen).

The surprising economics of sushi

How exactly does a patron of a sushi restaurant in Omaha, Nebraska, get to eat fresh fish caught off the coast of Japan? This episode of the Freakonomics podcast answers this question and explains the impressive feat. Listen to learn about the tricky economics and time-sensitive process behind importing fresh catches to sushi-lovers across America.

Sushi is an estimated $33B business in the US

US fishermen stock most of the country's more than 17,000 sushi restaurants. Distributors frequently adjust prices for different fish, based on their availability and the quality of the meat. This podcast unpacks how that industry operates.

Gas station sushi is actually pretty safe to eat, experts say

Vending machine food, in general, gets a bad rap for its seeming lack of freshness, but whether the food you eat is safe usually depends on the quality of the cold chain supply logistics that brought it to the point of sale. Most prepackaged sushi fish has been flash frozen, and the rice has been mixed with vinegar to inhibit bacteria.

Hibachi restaurants were designed to appeal to American soldiers stationed in Japan

Hibachi-style cooking was originally used in residences, with Japanese families cooking together around the grill. That style was then refined after World War II with the teppanyaki restaurant Misono, which used more American-friendly ingredients (like steak) to appeal to American soldiers stationed in the country. Despite the differences between teppanyaki and hibachi, diners began using "hibachi" to describe the concept. Later, the Aoki family brought it to American soil with Benihana.

The fish in sushi is usually frozen to eliminate parasites

Most raw fish contain parasites, but sushi restaurants and fish markets use “super freezers” to make the food safe for consumption. The United States Food and Drug Administration warns that frozen raw seafood can still contain parasites, depending on the type of fish and the conditions of the “super freezer.”

Ukraine's sushi restaurants have remained open through the country's war with Russia

Although the country's cities have become battlegrounds, its sushi restaurants—a popular comfort food for Ukrainians—have remained open. That's especially surprising considering they require imported fresh fish and highly skilled chefs.

One writer suggests using the California roll to evaluate sushi restaurants

Christine Carone uses the logic of the Big Mac Index—a metric for evaluating purchasing power by comparing countries’ Big Mac prices proposed by the Economist—for evaluating takeout sushi. Her recommendation is looking at the cost of a California roll, a relatively inexpensive, middle-of-the-road item for any American sushi spot. If it’s too expensive, the restaurant isn’t offering good value. But if it’s too cheap, you should worry about the quality of the fish.

How science came to understand umami

Before Dr. Kikunae Ikeda sat down in 1907 and pondered the taste of dashi, scientists typically agreed upon four types of taste: sweet, salty, bitter, and sour. He boiled 90 pounds of kelp into a resin that he then stripped of different compounds until he was left with a single ounce of brown crystals. Testing later revealed these crystals were glutamate, an amino acid and one of the protein's building blocks.

Inspired by the burrito, wraps took over the food scene in the 1990s

Using the burrito as a model, World Wrapps in San Francisco pioneered the fast-casual concept with a menu of wraps filled with gourmet ingredients like sauteed salmon and saffron rice.

Some call Beard the original 'foodie'

James Beard came of age when home cooking revolved around canned and frozen ingredients. Likewise, West Coast cuisine wasn’t on anyone’s radar. Beard’s appreciation of fresh, seasonal ingredients and regional influences provided a foundation for today’s movement toward local, farm-to-table cooking and the foodies who seek it out.

Historians believe the first modern restaurant was opened in 1765

A Parisian soup salesman named Boulanger is often credited with opening the first modern restaurant and was renowned for serving meat in poulette sauce.

The history of sufganiyot, or Hanukkah doughnuts

Mediterranean-focused food blogger Tori Avey shares her best recipe for fluffy, sugar-dusted sufganiyot and explains the history of the sweet that combines European and North African traditions.

The Hawaiian pizza was popularized by a Canadian chef

Hawaii's tiki culture was popular in North America through the mid-20th century, with canned pineapple a household staple. Sam Panopoulos, a Greek immigrant who operated a diner in Ontario, experimented with outlandish pizza recipes until he stumbled upon the idea for topping a pie with canned pineapple and ham.

The US used military pressure to force Japan to open to foreign trade in the 1850s

Commodore Matthew Perry arrived in Edo Bay (now Tokyo Bay) with heavily armed warships, pressuring Japan to open its ports. His expeditions led to the 1854 Treaty of Kanagawa, which opened two ports for supplies and established formal US-Japan relations. Full commercial trade followed later under the 1858 Harris Treaty.

'Foodie' culture arose in the early 2000s

Food writer Jaya Saxena attributes the mainstreaming of the term to early-aughts TV shows, including “Top Chef” and “No Reservations,” as well as the dawn of social apps like Yelp, which turned everyday diners into critics.

Frozen burritos made the dish widely available in the 1950s

California native Duane Roberts, who also pioneered the frozen hamburger patty, invented the frozen burrito in 1956 to be easily prepared at fast food restaurants. This innovation also allowed it to be sold in supermarkets.

Many early Chinese restaurants were aimed at travelers

As trade expanded throughout China's north and south in the 12th century, restaurants opened to offer traveling tradesmen their home region's cuisine while they were on the road: southern cooking for people visiting the north, and northern cooking for people visiting the south.

Eating fish during Lunar New Year is believed to bring prosperity

Many of the traditional Lunar New Year dishes are deeply symbolic—such as fried spring rolls resembling bars of gold. How the dishes are prepared, served, and eaten is crucial for carrying out their powers.

Sudoku was originally called 'Number Place'

While there are earlier variations on the game, the modern version appeared in 1979, though it was then called "Number Place." The game was slightly altered and renamed in Japan.

The frozen pizza was invented in 1950

In 1950, some pizzerias were premaking pies, allowing customers to take them home and cook them at their convenience. That same year, Philadelphia's Joseph Bucci filed a patent for a "Method of Making Frozen Pizza." Soon, frozen pizzas were appearing in grocery store aisles.

The history of molecular gastronomy, from thickening yolks with alcohol to making art with food

Before understanding why they worked, humans used scientific principles, including designing solutions and analyzing outcomes, to develop preservation methods like curing meat and fermenting vegetables. By the 20th century, the application of industrialized food preparation to smaller kitchens set the stage for the subdiscipline of food science.

The Japanese folklore that inspired Pokémon

Characters from the popular video game series appear to reference the yōkai from Japanese folklore, which first became popular during the country's Edo period, when art and literature became mass-produced.