Written by: Jin Fujisaki / Published: 2026-02-04
"Why can't the steak I cook at home ever match what they serve at restaurants?" "I want to eat healthy chicken breast, but it's always so dry it gets stuck in my throat."
The cause isn't that you're a bad cook. It's simply that your temperature is too high. There's a physical law of proteins: once meat exceeds 66°C, it rapidly loses moisture, hardens, and contracts. Pan-frying and stovetop cooking push past 100°C, which makes controlling this nearly impossible.
So let's solve it with science. Today I'm introducing the BONIQ 2.0, a sous vide cooker developed by the Japanese manufacturer Hayama Shachu. It manages water temperature in 0.1°C increments, allowing you to cook even cheap cuts of meat in a state where they are "physically incapable of becoming tough" — the ultimate engineering tool for your kitchen.
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Using it is incredibly simple. Fill a deep pot with water and clip the BONIQ unit onto the side. Then just set the temperature and timer, and submerge your ingredients in a Ziploc bag.
The matte finish gives it a minimalist design that wouldn't look out of place next to your Apple products. But inside, it's a dense package of a high-power heater, a circulation fan, and a high-precision temperature sensor.
Once it hits your set temperature (say, 60°C), it holds that exact temperature without the slightest fluctuation for the duration you've specified (say, one hour). Since there's no open flame, you can just leave it alone after setup. Whether you're out running errands, taking a nap, or playing video games, perfect thermal calculations are happening inside that pot.
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I actually cooked some chicken breast at 60°C for one hour. The moment I sliced it up and put it in my mouth, my brain short-circuited.
"...Wait, is this raw?" No — it's fully cooked. But the fibers haven't contracted at all, and the meat retains all its moisture. It's so tender you barely need to chew, with a silky texture on the tongue. It's a completely different substance from what we normally call "dry chicken."
Convenience-store salad chicken is tasty in its own right, but freshly cooked BONIQ chicken vastly surpasses it in quality. And if you use cheap supermarket meat, the cost drops to less than a third. The economic benefits are immeasurable.
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The biggest evolution from the original model is its improved usability. With its IPX7 fully waterproof rating, you can wash the whole thing with dish soap after use. Oil splatters? No problem.
It's also equipped with a powerful magnet on the bottom. You can stick it firmly to magnetic pots, kitchen walls, or rack posts. In situations where a clip would be unstable, the magnet lets it stand on its own — a design choice that makes it easy to find a spot for it even in cramped Japanese kitchens. It also has Wi-Fi connectivity, so you can adjust temperature settings and receive completion notifications from your smartphone — a nice touch for gadget enthusiasts.
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This device will dramatically improve the eating habits of people like:
- Lifters and dieters who want to enjoy a "high-protein, low-fat" diet without sacrificing flavor
- Cooking enthusiasts who want to make roast beef or char siu with zero risk of failure
- Single professionals who avoid cooking because babysitting the heat is a hassle
- Logical, scientifically-minded people who want to "hack" deliciousness
The price is around ¥22,000. There are bundle plans that include a pot or container, but the main unit alone is plenty to start with. If you cook at home a few times a week, the savings on convenience-store bentos and dining out will pay it off in a few months.
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image Kakaku.com
The BONIQ 2.0 is a gadget that eliminates the "uncertainty" from cooking. Throw out vague instructions like "simmer on low heat" and replace them with clear parameters: "60°C for 90 minutes."
That alone is enough to reproduce dishes that rival what the pros make. This sense of accomplishment will undoubtedly make your home-cooking life more enjoyable. So go on — bring some science into your kitchen.


