Smoked Salmon — Cure First, Smoke Second, Patience Third

Salmon takes well to fire. Better than almost any other fish — the fat content saves you from a lot of mistakes, and the flesh wants the smoke. But “well” and “right” are different things, and the difference between a dinner-party-grade hot-smoked salmon and what most people produce at home comes down to two steps everybody skips: curing first and drying to a pellicle.

Do those, and the rest is just heat management.

What’s actually happening in there

Smoked salmon needs to do three things to come out right:

Lose moisture evenly. Salmon is mostly water. If you push it straight onto heat without curing first, it sheds moisture violently — the outside dries to leather while the inside steams. A salt-and-sugar cure pulls moisture out gently and slowly, through the fish, taking some of the fishiness with it and leaving the texture firmer and more uniform.
Form a pellicle. After curing, you rinse the salmon and leave it uncovered in cold air for a few hours. The protein-rich surface dries into a tacky, almost shellac-like layer. This is the pellicle, and it’s the secret to good smoked salmon: it binds the smoke flavour to the fish and protects the surface from drying out during the cook.
Cook gently to its target temperature. Salmon is done at 52–55°C (125–130°F) internal — soft, just-flaking, still glossy. Push it past 60°C and you’ve made cat food.

The cure prep takes most of the time. The smoke itself is almost embarrassingly quick.

The numbers that matter

Cure ratio: 2:1 salt to sugar by weight. That’s it. Brown sugar and coarse sea salt. Optional: black pepper, dill, citrus zest, a slug of whisky.
Cure time: 8–12 hours for fillets up to 500g, 18–24 hours for whole sides. Heavier cure = saltier finish. Don’t go past 24 hours unless you’re going for jerky.
Pellicle time: 2–4 hours in the fridge, unwrapped, fish skin-down on a rack. You’ll see when it’s ready — surface looks dry, feels tacky.
Smoke temp: 90–110°C (200–225°F). Higher than hot-smoked-fish purists like; lower than I’d use for meat. This is the sweet spot for a BBQ that doesn’t have proper cold-smoking capability.
Internal target: 52–55°C (125–130°F). A probe is non-negotiable.
Time: 45–75 minutes depending on thickness.

Cold smoke vs hot smoke

A quick clarification, because the language gets used loosely:

Cold-smoked salmon is the silky, translucent stuff you slice paper-thin on bagels. It’s cured for longer, then smoked at temperatures below 30°C — so the fish never actually cooks. Doing this safely at home needs a dedicated cold smoker. Don’t fake it.
Hot-smoked salmon is the flaky, opaque, fork-tender version. You can do this on a standard kettle BBQ with a smoke box, or any pellet/offset smoker. This is what we’re after here.

If someone says “I smoked some salmon on the BBQ at the weekend,” they mean hot-smoked.

Wood pairings

Salmon takes smoke gently — don’t bury it.

Alder — the traditional Pacific Northwest pairing. Mild, sweet, doesn’t overpower. The default.
Apple or cherry — fruit woods work beautifully. Slightly sweeter finish.
Oak — neutral and steady. A good blend partner.
Hickory or mesquite — too aggressive. They’ll trample the fish.

A small handful of chips is enough. You’re flavouring, not smoking out a tuna.

The cedar plank variant

Cedar planks deserve a mention because they’re great and people misuse them constantly.

A cedar plank does two things: it creates an indirect cooking surface (so the salmon isn’t on direct heat) and it imparts a soft, woodsy aroma to the bottom of the fish. It is not a smoker. A salmon cooked on a cedar plank over direct flame at 200°C for 12 minutes is grilled fish with a pleasant cedar note. That’s it. That’s fine. But don’t call it smoked.

Soak the plank for at least an hour. Heat the grill to medium with the plank in place. Salmon skin-side down on the plank. Close the lid. Done in 12–15 minutes for a thick fillet. Good for a weeknight; not the same dish as a proper hot-smoke.

Where this shows up

The cure-and-smoke technique is the foundation under any honey-glazed smoked salmon, any dill-cured side, any breakfast bagel project worth doing properly. A specific recipe is coming — a honey-and-whisky-cured hot-smoked side, sliced thick, served warm with crème fraîche and rye toast.

It also makes the Teriyaki Salmon quietly better — even if you’re skipping the smoke phase, a quick 30-minute salt-sugar cure before grilling firms up the texture and seasons through the fillet. Worth doing.

What I learned the hard way

Cure ratio matters more than cure ingredients. Get the 2:1 salt-to-sugar right and you can swap herbs and spices freely.
Don’t skip the pellicle. Smoke won’t stick to wet fish. You’ll end up with smoky-coloured, salmon-flavoured salmon instead of properly smoke-flavoured fish.
Pull at 52–55°C. Yes, that low. The carryover takes it to ~58°C off the heat, which is exactly where you want it. Higher and the texture goes from silky to chalky.
Skin on, skin down. The skin is a heat shield and a moisture barrier. It also pulls off in one sheet when the fish is cooked, which is satisfying.
Rest five minutes. Less than meat, but it still wants a minute to settle before you flake into it.

Salt, sugar, time, smoke. Patience pays interest. Fish you’ll be proud to put on a plate without a sauce — that’s the bar.