Fish tartare is the poissonnier's raw-fish preparation — sashimi-grade fish hand-cut into precise small dice, seasoned with citrus, herbs, capers, and olive oil, assembled à la minute and served immediately. Unlike ceviche (which denatures protein with acid) or carpaccio (thinly sliced), tartare preserves the raw fish's unadulterated texture while the seasoning provides counterpoint. The technique demands absolute freshness: the fish must be sashimi-grade, received within 24 hours of catch, stored at -1 to 2°C, and prepared with scrupulously sanitised boards and knives. Classic French fish tartare uses salmon, sea bass, or tuna — each offering a distinct fat profile and texture. The cut: trim all skin, blood line, and sinew. Using a sharp chef's knife (not a food processor — the blade would heat and crush the cells), cut the fish into 5mm dice in a single, deliberate motion for each cut. Toss immediately with the seasoning: fine shallot brunoise (10g), chopped cornichons (10g), capers (10g), chopped chives, a squeeze of lemon juice, best olive oil (1 tablespoon), fleur de sel, and Tabasco (2 drops — perceptible as warmth, not heat). Some variations add a raw egg yolk on top (mirroring steak tartare) or a quenelle of crème fraîche. Mould using a 7cm ring on a chilled plate, press gently to level, remove the ring. Garnish with micro-herbs, a drizzle of olive oil, and thin toast (tuile de pain). Serve within 5 minutes of assembly — the acid in the lemon begins denaturing the surface proteins immediately, and after 15 minutes the texture changes noticeably. Temperature is critical: the tartare should be ice-cold (2-4°C), the plate chilled, and the service swift.
Sashimi-grade fish only — freshness is non-negotiable for a raw preparation Hand-cut with a sharp knife in single strokes — a food processor crushes the cells and releases water 5mm dice is standard — smaller becomes paste, larger doesn't integrate with the seasoning Season and serve immediately — acid begins denaturing the surface within minutes Keep everything ice-cold — fish, bowl, utensils, plate, even the ring mould
Freeze the knife for 10 minutes before cutting — the cold blade passes through the fish without dragging or heating A tiny amount of grated fresh wasabi (not tube wasabi, which is horseradish) mixed into the seasoning adds a clean heat that pairs beautifully with raw fish For a dramatic presentation, serve on a frozen slate or granite tile — the stone holds the tartare at optimal temperature for 15 minutes of table time
Using previously frozen fish that has not been properly thawed — ice crystals damage cell walls, releasing water and creating a mushy texture Cutting on a warm board — the heat begins degrading the fish immediately Over-seasoning with acid — the tartare should taste of fish first, with seasoning as accent Assembling in advance — even 15 minutes of resting changes the texture from silky to firm Using a food processor — the blade heats the fish and the action crushes rather than cuts
Larousse Gastronomique; Michel Guérard, La Grande Cuisine Minceur