Sous Vide Flank Steak (Steak Tacos): Temperature & Time Guide
Flank steak is lean and fibrous — perfect for slicing thin after a precise sous vide cook, then searing hot for tacos.
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) Season flank with salt, pepper, cumin, and lime zest. 2) Cook at 131°F for 2-3 hours. 3) Pat dry. 4) Sear 60-90 seconds per side in a very hot pan or grill. 5) Slice thin against the grain, pile into tortillas with onion, cilantro, and salsa.
FAQ
What temperature for flank steak?
131°F (55°C) for 2-3 hours — tender; slice against the grain always.
Why is flank usually tough?
It's a working muscle — sous vide relaxes it; slicing against the grain is the other half.
What marinade works?
Citrus, cumin, garlic, and chili — classic for tacos.
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.