How to Cure Ora King Salmon at Home: A Step-by-Step Guide

How to Cure Ora King Salmon at Home

Curing Ora King Salmon at home produces gravlax — a Scandinavian preparation where salt, sugar, and aromatics draw moisture from the fish, concentrate the flavor, and firm the texture into silky, translucent slices. It requires no cooking equipment, no heat, and no special skills. What it requires is the right fish, the right ratios, and 24–48 hours of refrigerator time.

Shop: Ora King Salmon Dry Age • King Salmon Fresh • King Salmon Fresh Steaks.

Harold McGee’s On Food and Cooking (2004) remains the definitive reference for the food science of curing — recommended reading if you want to understand the osmosis and protein chemistry behind what the cure is doing to the fish.

Food safety: what “sushi-grade” actually means

Cured salmon is not cooked — the salt and sugar cure does not reach temperatures that kill parasites. The FDA guideline for consuming raw fish safely is that it must have been frozen at ∔20°F (−29°C) for 7 days, or at −31°F (−35°C) for 15 hours prior to serving raw or lightly cured. This parasite-destruction standard is what “sushi-grade” refers to in practice, though “sushi-grade” is a marketing term rather than a regulated FDA or USDA designation. Ora King from reputable suppliers including Global Seafoods is commercially frozen to meet these standards — confirm with your supplier if you are unsure. If you are sourcing fresh (never frozen) salmon from an unknown source, freeze it yourself to the FDA standard before curing. This is especially important for immunocompromised individuals, pregnant women, and children.

Salt ratio and measurements

The standard gravlax ratio is 3 parts salt to 2 parts sugar by weight. For 1 lb (450g) of salmon: 45g kosher salt (about 3 tbsp Diamond Crystal, or 2½ tbsp Morton’s) and 30g sugar (about 2 tbsp). The two brands of kosher salt differ significantly in density — Diamond Crystal is about half the weight per tablespoon as Morton’s. Using volume measurements without specifying brand can result in under- or over-salting. Weighing is more reliable.

This ratio produces a firm, well-cured gravlax over 36–48 hours. For a lighter cure (softer texture, less salty): reduce to 35g salt / 25g sugar and cure 18–24 hours.

Ingredients (serves 6–8 as an appetizer)

Cure:

• 1 lb (450g) Ora King Salmon fillet, skin-on, sushi-grade (frozen to FDA parasite-destruction standard)
• 45g (3 tbsp Diamond Crystal / 2½ tbsp Morton’s) kosher salt
• 30g (2 tbsp) granulated sugar
• 1 tsp cracked black pepper
• 1 tbsp lemon zest
• ¼ cup fresh dill, roughly chopped (stems and fronds)

Optional additions (choose one or combine):

• 1 tbsp aquavit, gin, or vodka — adds aromatics; traditional in Scandinavian gravlax
• 1 tsp crushed coriander seeds — warm, earthy
• ½ tsp smoked paprika — smoky undertone
• Orange or lime zest in place of or alongside lemon zest — citrus variation
• 1 tsp honey + ½ tsp red chili flakes — sweet-heat profile

Tools: Non-reactive tray (glass or plastic — not metal; the acid in the cure reacts with metal and can create off-flavors) • Plastic wrap • Heavy plate or cans for weighting • Tweezers for pin bones • Sharp long-bladed slicing knife

Instructions

Step 1 — Prepare the salmon: Do not rinse the fillet under water — rinsing raw fish spreads bacteria to your sink and surrounding surfaces. Instead, pat the fillet completely dry with paper towels. Run your fingers along the flesh side from tail to head to locate pin bones — they feel like small, firm bumps along the centerline. Remove each with tweezers, pulling in the direction the bone angles (toward the head). Take your time — missed pin bones are the most common complaint about home gravlax.

Step 2 — Make the cure: Combine salt, sugar, pepper, lemon zest, and dill in a bowl. If using gin/aquavit, add it directly to the fish at application rather than the dry mix — it helps the cure adhere and distributes the aromatics evenly.

Step 3 — Apply the cure: Lay a large sheet of plastic wrap on your non-reactive tray. Spread half the cure mixture over the plastic wrap in roughly the shape of the fillet. Place the salmon skin-side down on the cure. Drizzle with gin/aquavit if using. Pack the remaining cure over the flesh side, pressing it in firmly. The flesh side gets more cure than the skin side.

Step 4 — Wrap, weight, and refrigerate: Wrap the salmon tightly in the plastic wrap — no air gaps. Place in the tray (it will release liquid as brine forms). Place a flat plate or cutting board on top, then weight it down with cans or a heavy pan. Refrigerate for 24–48 hours:

• Thin tail pieces: 18–24 hours
• Average 1-inch fillet: 36–48 hours for a firm, well-seasoned cure
• Light cure preference: check at 24 hours — press the fillet; it should feel firm but still yielding, not hard

Flip the wrapped fillet every 12 hours so both sides cure evenly in the pooling brine.

Step 5 — Rinse, dry, and rest: Unwrap and gently rinse off all the cure under cold water. Pat completely dry. Optional but recommended: place the rinsed, uncovered fillet on a rack in the refrigerator for 1–2 hours. This dries the surface and produces cleaner, more defined slices.

Step 6 — Slice: Use a long, thin-bladed slicing knife (a flexible boning knife or a dedicated salmon slicer). Position the blade at a low angle, almost parallel to the cutting board. Starting from the tail end, make long, smooth strokes toward the head, slicing as thinly as possible — 2–3mm ideal. Work in one direction; do not saw. Wipe the blade between slices if the fish is sticking.

Variations

Classic Scandinavian gravlax: Add aquavit and a few lightly crushed juniper berries to the cure. Serve with Swedish mustard-dill sauce (Hovmästarsås): Dijon mustard, sugar, white wine vinegar, dill, neutral oil whisked together.

Citrus-spiced: Orange zest + lime zest + crushed coriander seeds. Omit dill; use flat-leaf parsley instead. Pairs with a yogurt-citrus sauce.

Smoky paprika lox-style: Add smoked paprika and garlic powder to the cure. No dill. Pairs with cream cheese and bagels.

Beetroot gravlax: Add 1 medium raw beet (grated) to the cure mixture along with the dill. The beet stains the salmon a deep crimson on the flesh side — dramatic presentation. Adds mild earthiness. Rinse thoroughly.

Serving

Classic gravlax platter: thin slices arranged on a board with capers, lemon wedges, thinly sliced red onion, dill sprigs, and rye crispbread or pumpernickel. • Bagels with cream cheese, red onion, and capers. • Blinis or cucumber rounds with crème fraîche and dill — elegant canapé format. • Sushi rice bowl with avocado, cucumber, sesame, and ponzu.

Wine pairing: see the Wine Pairings Guide — Brut Champagne, Chablis, dry sake. Videos: Global Seafoods YouTube Channel.