Japanese food has accumulated a significant mythology in the Western world — some of it the product of unfamiliarity, some of it the result of specific historical moments (like the 1968 MSG letter), and some of it genuine misunderstanding of translation. Here are the most common ones.
Myth 1: "Sushi means raw fish"
The truth: Sushi means vinegared rice. The word sushi refers to the rice preparation — specifically, short-grain rice seasoned with rice vinegar, salt, and sugar. The topping or filling can be anything: raw fish, cooked shrimp, egg, pickled vegetables, tofu, cucumber.
The historical forms of sushi — narezushi (fermented fish) and early Edo-period edomae sushi — used primarily cooked or preserved fish, not raw. Sashimi is the word for raw fish alone (without rice).
A vegetarian maki roll is sushi. A cucumber roll is sushi. A cooked shrimp nigiri is sushi. None require raw fish.
Myth 2: "Wasabi is the green paste that's like spicy mustard"
The truth: Most wasabi served outside Japan (and much of what's served inside Japan) is not real wasabi. It's a mixture of horseradish, green food coloring, and sometimes mustard or citric acid.
Real wasabi (Wasabia japonica) comes from the fresh rhizome of a specific plant that grows in cold running water streams. It's perishable — the active compounds (isothiocyanates) fade within 15-20 minutes of grating. It's expensive ($100-200 per kilogram).
The heat mechanism is also different: real wasabi's isothiocyanates create a brief, sharp sinus-clearing sensation that dissipates in under a minute. Chili heat (capsaicin) lingers. Real wasabi heat does not.
The "wasabi" in the green tube or pre-made paste is almost never real wasabi.
Myth 3: "MSG is dangerous and should be avoided"
The truth: MSG (monosodium glutamate) has been repeatedly studied in controlled clinical trials and found to be safe for the vast majority of people at normal consumption levels. The World Health Organization, the US FDA, and food safety authorities in Europe and Japan classify it as generally recognized as safe.
The "Chinese Restaurant Syndrome" narrative — headaches and symptoms attributed to MSG in Chinese food — originated from a 1968 letter published in the New England Journal of Medicine. Subsequent controlled, double-blind trials repeatedly failed to reproduce the effects when subjects didn't know whether they'd consumed MSG.
The same people who report sensitivity to MSG regularly consume parmesan, tomato paste, anchovies, miso, and other foods with high natural glutamate content without symptoms.
Myth 4: "Japanese people don't eat much meat"
The truth: This was more accurate in the past than it is today. The Buddhist prohibition on meat consumption (present from the Nara period, 8th century CE, through the Meiji restoration) did historically reduce meat consumption in Japan. But the Meiji-era (post-1868) reopening to Western influence included the rapid adoption of beef, pork, and chicken.
Today, Japan has one of the most developed beef cultures in the world (wagyu, gyudon, sukiyaki, yakiniku), a robust pork tradition (tonkatsu, kakuni, ramen chashu), and one of the highest per-capita chicken consumption rates in Asia. The Japan of Buddhist vegetarian ideals coexists with the Japan of all-you-can-eat yakiniku.
Myth 5: "Ramen is traditional Japanese food"
The truth: Ramen arrived in Japan from China in the late 19th to early 20th century, called shina soba ("Chinese noodles"). It was not widely eaten in Japan until after World War II, when cheap instant ramen (invented by Momofuku Ando in 1958) and an influx of Chinese-style noodle shops made it broadly accessible.
The regional ramen styles (Sapporo miso, Hakata tonkotsu, Tokyo shoyu) developed in the postwar period — approximately 1950-1980. Ramen is about 75 years old as a widespread Japanese food tradition.
It is now a deeply embedded part of Japanese food culture — but it is not an ancient tradition.
Myth 6: "Eating sushi with your hands is rude"
The truth: Nigiri sushi is traditionally eaten with fingers. The original Edo-period sushi was street food, eaten standing at a stall without chopsticks. Eating nigiri with your hands is not rude — it is how the dish was designed to be eaten.
What IS considered poor form at a high-end sushi counter: dipping the rice (instead of the fish) into soy sauce, applying wasabi to nigiri that the chef has already seasoned, and photographing every piece before eating.
Chopsticks for sushi became more common as sit-down restaurants formalized the experience. Both are acceptable; fingers are traditional.
Myth 7: "Green tea should be brewed with boiling water"
The truth: Boiling water extracts catechins (the bitter compounds in green tea) too aggressively, producing a bitter, flat cup. Japanese green teas should be brewed at lower temperatures:
- Sencha: 70-80°C (158-176°F)
- Gyokuro: 50-60°C (122-140°F)
- Matcha: 70-80°C
- Hojicha: 90-100°C (hojicha is the exception — roasted, can tolerate near-boiling)
Let boiling water cool for 2-3 minutes before brewing most green tea.
Myth 8: "Soy sauce is the dominant flavor in all Japanese food"
The truth: Many Japanese preparations are not soy sauce-forward. Shio yaki (salt-grilled fish) uses only salt. Dashi-based clear soups use very light soy sauce seasoning or none at all. Shira ae dressing uses tofu. Sunomono dressing uses rice vinegar.
Japanese cooking uses soy sauce extensively, but it has the same relationship to other ingredients as salt in French cooking — present in many dishes, but not the dominant flavor of the cuisine. The foundation flavor of Japanese cuisine is dashi (kombu + katsuobushi), not soy sauce.
Myth 9: "Japanese chefs spend years just making rice before touching fish"
The truth: This story — that apprentice sushi chefs spend 10 years doing nothing but rice — is a significant exaggeration of real training practices, largely popularized by the film Jiro Dreams of Sushi.
Traditional Japanese culinary apprenticeship is demanding, and rice is taken seriously. Sushi rice is genuinely complex (the vinegar blend, the temperature, the seasoning balance). But the "10 years just for rice" narrative is not a widespread description of actual training programs.
Modern Japanese culinary schools produce trained cooks in 2-3 years. Long apprenticeships in traditional settings exist, but the extreme framing is more cultural mythology than common practice.
Myth 10: "Mirin is just sweet soy sauce"
The truth: Mirin is a sweet rice wine — a fermented product made from glutinous rice, koji, and shochu. It contains alcohol (14% in hon-mirin), complex sugars from rice fermentation, and flavor compounds developed during aging. It is not soy sauce with added sugar.
The sweetness of mirin is different from sugar sweetness — it has a more complex, less cloying character because the sugars are accompanied by amino acids, organic acids, and other fermentation products.
Substituting sugar for mirin in Japanese recipes changes the flavor significantly, not just the sweetness level.
Myth 11: "Japanese food is very delicate and light"
The truth: Japanese food has a reputation for delicacy that applies to specific dishes but not to the cuisine overall. Tonkotsu ramen is an intensely fatty, rich pork bone broth. Kakuni is braised pork belly with significant fat. Gyudon is sweet beef and onion. Gyoza are pan-fried dumplings. Karaage is deep-fried chicken. Okonomiyaki is a thick, sauce-laden savory pancake.
The "delicate Japanese food" stereotype applies to kaiseki, sashimi, and clear broth preparations. The street food and comfort food traditions of Japan are as hearty as any food culture.
Myth 12: "Japanese food requires a fully stocked specialty pantry"
The truth: You can cook a functional Japanese meal with six core ingredients: dashi powder (or kombu + katsuobushi), miso, soy sauce, mirin, sake, and Japanese short-grain rice. These are available at most large grocery stores and any Asian grocery.
The full Japanese pantry — sesame oil, various miso types, specific soy sauce styles, sake kasu, yuzu kosho, shichimi togarashi — develops over time as you encounter dishes that require them. But starting with six foundational ingredients gets you to 80% of Japanese home cooking.
The requirement for a fully stocked specialty pantry is a barrier that doesn't reflect how Japanese people actually cook at home — they start with basics too.
Related reading: How to Start Cooking Japanese Food | Japanese Pantry Starter Guide | What Is Real Wasabi?
The full recipes live in the book.
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