The Thinner the Pan, the Faster It Reacts — And Cools
What pro tool lists actually share isn't the material — it's how fast the heat rises and falls. A millimeter of thickness changes how easy carbonara's emulsion is to catch.
Japanese chef
Ryuji
Ryuji
Household-optimized, test-driven Runs huge numbers of trials to nail down repeatable recipes. Keeps remaking the same dish over years, updating it as the current definitive version.
料理研究家リュウジのバズレシピ · ~5.66M subscribers (as of 2026-09-05)
Source verifiedChannel, videos and techniques confirmed against sources
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Penne all'arrabbiata世界はまだ本当に美味しいアラビアータを知らない、これ一度食べてください【至高のアラビアータ】
Ragù alla bologneseボロネーゼはソースじゃない…『肉料理』だ！！！唸るほどに旨い【至高のボロネーゼ】の喰らい方
Cacio e pepe次に流行るパスタ絶対これだ。激ウマ具無しワンパン虚無パスタ【カッチョエペペ】
Carbonara試作回数1000回越え、YouTubeで一番再生された至高のカルボナーラの作り方
Mentaiko Spaghettiこの味に辿り着くまで20年かかりました。料理研究家が本気で作る【至高の明太子パスタ】
Napolitanこれ以上のナポリタンを僕は知らない…【至高のナポリタン】『Japanese style pasta Napolitana』
What defines this chef’s technique
- A test-driven approach: keeps retesting and updating the same dish, presenting each round as the "definitive" version
- Builds household-friendly flavor around MSG (Ajinomoto), shiro-dashi, and similar umami seasonings
- Cream-free variations that cut cost and effort
- One-pan designs that finish entirely in a single skillet (from his book "Serious One-Pan Pasta," Fusosha, March 2024)
Cook from this chef’s recipes
14 dishes
AmatricianaBacon, onion, browned garlic, bouillon — a home version
Penne all'arrabbiataSoaks chili in water to extract flavor, a home-style version with bacon and onion
Ragù alla bolognese250g beef-pork seared like steak, minimal aromatics, 45 min
Cacio e pepeOne-pan: 340cc water, 10g butter, 2 tbsp grated cheese
Carbonara1 whole egg + 30g grated cheese, stirred on low direct heat
Mentaiko SpaghettiNo egg, no cheese, no cream — butter and kombu tea build the creaminess
NapolitanKetchup only; low heat kills acidity, noodles pan-toasted
Spaghetti al Nero di SeppiaAnchovy paste cooked down hard for depth, noodles kept firm to grip the sauce
Pasta al LimoneOne-pan in consommé water, 35% cream specified
Aglio, olio e peperoncinoOne pan, 350cc water, bouillon — no emulsifying
Pesto alla GenoveseShiso substitute, with bacon and potato
PomodoroGarlic two ways, plus bouillon and sugar for home cooks
Spaghetti alle vongoleCooks the pasta in clam broth, kombu tea for umami
Wafu Kinoko Pasta (Japanese-style Mushroom Pasta)One pan only - noodles finish right in the sake-and-water broth
Gear and ingredients referenced by Ryuji
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Each link is based on the source note on the card and on the chef’s own videos and posts. Items marked “unverified” include editorial guesses. None of this is an endorsement or partnership.
Articles about Ryuji
Only 2 of 6 Chefs Put Onion in Their Amatriciana
The traditional Roman and Amatrice schools skip onion and garlic. Of six chefs here, only Ryuji and Yoshimi Hidaka add them — the other four build on pork fat, tomato, and cheese, with wine or chili.
Tellicherry Is a Size Grade, Not a Variety
IngredientsCacio e pepe has just two elements asserting themselves — Pecorino's salt and pepper's bite — so grind coarseness alone changes the plate. Tellicherry is a size grade, not a variety.
Some Chefs Pull It 30 Seconds Early. Others Pull It at Half.
The box time appears to assume pasta eaten straight from the pot, though we could not find a manufacturer stating that outright. Skip the subtraction before a pan toss, and it turns soft.
30 Minutes vs. 3 Hours: Same Name, Different Dish
Seared or pale, red wine or white, milk or none — eight chefs disagree on nearly everything, and simmer time alone splits by a full order of magnitude, 30-60 minutes against 3-5 hours.
Two Ingredients, One Failure: The Moment Cacio e Pepe Goes Wrong
Cacio e pepe comes down to cheese and black pepper, yet almost every failure has one cause — a pan that's too hot when the cheese goes in. Eight chefs split into three schools for that moment.
Five Carbonaras, One Argument: Where the Egg Gets Warm
Carbonara splits over one question — where the egg comes up to temperature. Direct heat, bain-marie, or residual heat: five chefs, plus the tip line in Fabio's transcript about hot water and eggs.
Same Chef, Two Dishes: When Fine Grating Matters Less
Ogura mixes Parmigiano into raw egg for carbonara, where shred size decides whether it melts evenly. In his cacio e pepe, cheese is just grated over the top — so fineness matters far less.
San Marzano Costs More — DOP Doesn't Promise Flavor
San Marzano DOP only proves where and how a tomato was grown — not that it tastes better. What actually separates canned tomatoes is processing stage (whole, diced, passata) and moisture.
1,000-Plus Test Batches: Why Ryuji Cools the Pan Before Adding Egg
Chef profilesRyuji sautés the bacon and garlic, then turns off the heat and lets the pan cool before adding the egg — a step he arrived at after testing the recipe more than 1,000 times.
Egg White Sets First, Yolk Second — That Order Splits the Schools
In a carbonara egg mixture, the white starts to set first and the yolk second. That order is why whole-egg and yolks-only recipes come off the heat at different moments.
It's Not Elbow Grease That Emulsifies Pasta Sauce
Emulsifying pasta sauce isn't about mixing harder. It happens only when starch, a safe temperature, and nonstop agitation all line up. Four schools split the work differently.
Mincing Burns Fastest — Cold Oil Seems to Tame It
How you cut garlic trades off aroma against burn risk. Mincing should burn fastest, yet Ryuji starts it in cold oil — reading that as burn-proofing is the editors' inference, not his source's.
No Cream Is Common Ground Between Ryuji and Vincenzo's Plate
Ryuji's carbonara skips heavy cream, and so does Vincenzo's Plate — so "no cream" can't be the line between home cooks and tradition. The real split is ingredients, heat, and emulsion.
A Chimera Score of 100 Isn't a Warning
ReadsIn the Recipe Builder, a chimera score of 100 doesn't predict failure — it just means no reference video exists for that mix. What each step changes and how sharing and saving work.
Ochiai's Napolitan Never Fries the Noodles
Fabio fries the noodles themselves in the pan and Ryuji fries them too, but Ochiai takes the pan off the heat and only tosses. Five schools compared on noodle, ketchup, and frying.
Ryuji Says He "Completely Ignored" the Authentic Method
Ryuji calls his own aglio e olio "heretical, yet supreme." We trace how it swaps emulsification and water-ratio math for one-pan cooking and umami seasoning, across his 2020 and 2023 recipes.
Why Olive Oil Shows Up Twice in the Same Ingredient List
Ryuji's ultimate aglio e olio lists olive oil on two separate lines — one tablespoon each, the same oil. The split appears to come down to whether the oil hits heat.
The Chefs Who Nail Emulsification Never Use Direct Heat
Ogura's fava bean carbonara, Fabio's rich carbonara and Gritzer's carbonara all pull the egg off direct heat.
Same Variable, Different Prescription: Kenji vs. the 2025 Paper
A 2025 physics study found sauce stability turns on starch as a share of cheese mass: under 1% splits, 2-3% is ideal, over 4% stiffens. Kenji cuts the water; the paper's own fix is powdered starch.
Why Some Chefs Salt the Pasta Water Less for Pecorino
Pecorino is salty sheep's-milk cheese; Parmigiano is milder cow's-milk. Some recipes leave the water unsalted so Pecorino carries the salt; others salt it heavily instead. Pick the cheese first.
Ryuji's Aglio e Olio Skips Emulsification Entirely
Ryuji's peperoncino skips emulsification: he simmers dried pasta directly in water and bouillon. Tomomi Ogura adds pasta water with ten seconds left on the boil. Six chefs compared.
Cacio e Pepe's Pepper Has Four Schools: Raw to Roasted
Ryuji scatters raw cracked peppercorns at the finish; Pasta Grammar roasts them 4 minutes, then pounds them in a mortar. Grind and heat alone split cacio e pepe pepper into at least four schools.
Tsutomu Ochiai Makes This Pomodoro with Tomato Juice, Not a Can
In this recipe Ochiai skips the can and reduces unsalted tomato juice instead, reasoning it's the same tomato at the source. Once pasta hits his sauce, he never turns the flame back on.
17g to 50g of Grated Cheese: The Three Axes Through Rome's Pastas
Cacio e pepe's grated cheese runs 17g to 50g per 100g of pasta, and Fabio adds 50g of cream cheese on top. Rome's three classics split along the same three axes: cheese, pork fat, emulsion.
Stopping the Egg at Around 65°C: Scales and Thermometers
Eyeball a portion of pasta and it can swing by several grams to a dozen-plus per serving (the editors' rough figure).
1%, 1.5%, 2%: Three Salt Levels for One Carbonara
The standard line is 10g salt per liter (1%), but real carbonara recipes split into 1%, 1.5%, and 2%. Cacio e pepe has a school that uses none at all — the number moves with the job salt is doing.
Bring the Pasta Water Along, or Don't
Moving pasta from pot to pan comes down to two tools. That how much pasta water rides along changes the finish is the editors' read, not a relationship our sources tested.
Ryuji Puts Kombu Tea in His Vongole
Ryuji's vongole bianco includes a half-teaspoon of kombu tea. Seven takes split on one real question — does the pasta drink clam liquor straight, or get tossed with a pasta-water emulsion?
Fabio's Egg Mixture Hits 65°C — Two Cues, Temperature and Feel
Fabio's carbonara takes the egg mixture to around 65°C, and the transcript gives two cues: the temperature and the hand blender getting harder to turn. Ogura, Ryuji, and Fabio diverge on one dish.