Sous Vide Ramen Chashu (Pork Belly): Temperature & Time Guide
Chashu is the meltingly tender pork on top of ramen. Sous vide makes it foolproof — roll, cook, marinate, torch.
Our top pick
Anova Precision Cooker 3.0
A circulator with an on-device screen makes it easy to dial these exact temps without touching your phone — our top pick for precision cooking.
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Quick comparison
| Pick | Why we like it | |
|---|---|---|
| Anova Precision Cooker 3.0 | A circulator with an on-device screen makes it easy to dial these exact temps without touching your phone — our top pick for precision cooking. | View → |
| Instant-read meat thermometer | Use one to verify your water bath and spot-check the finish — a $15 probe removes all guesswork. | View → |
Anova Precision Cooker 3.0
Editor’s PickA circulator with an on-device screen makes it easy to dial these exact temps without touching your phone — our top pick for precision cooking.
- + On-device temperature control
- + 1100W heats fast
- + Recipe library for temps
- − Premium price
- − Some app features paywalled
Free shipping on eligible items
Use one to verify your water bath and spot-check the finish — a $15 probe removes all guesswork.
- + Verifies actual temperature
- + Cheap insurance
- − Not needed if your circulator is accurate
Free shipping on eligible items
Buying advice
1) Roll pork belly tightly, tie with twine. 2) Cook at 170°F for 10-12 hours. 3) Chill, then marinate in soy, mirin, sake, and sugar for 4-24 hours. 4) Slice and torch or sear briefly. 5) Lay on ramen with soft eggs and scallions.
FAQ
What temperature for chashu?
170°F (77°C) for 10-12 hours — tender enough to slice but holds its roll.
Do I need to roll it?
It gives the classic round slices — optional, but traditional for ramen topping.
What's the marinade?
Soy, mirin, sake, and sugar — the sweet-salty tare that makes chashu sing.
Ready to cook perfectly?
Our top pick for this guide — check today’s price and clip any on-page coupon on Amazon:
Anova Precision Cooker 3.0
A circulator with an on-device screen makes it easy to dial these exact temps without touching your phone — our top pick for precision cooking.
As an Amazon Associate we earn from qualifying purchases.
Want exact temps and times? Use our free sous vide calculators.