Café Athena
Classic Tartar Sauce (Sauce Dérivée)

Chapter 10 · Stocks, Sauces & Condiments

Classic Tartar Sauce (Sauce Dérivée)

French Derivative Sauce Technique Folio emulsionmayonnaisecornichonslemon juicedillchivesbrineseafoodtartartexture

A texturally rich, acid-forward emulsion designed to cut through fried seafood.

Yield: 400 g (~1.5 cups) | Prep: 15 min | Cook: 0 min | Total: 15 min

Headnote

While often treated as an afterthought, a great Tartar Sauce relies on moisture management. By aggressively drying the brine-heavy garnish before mixing, we preserve the viscosity of the mayonnaise base. We utilize cornichons for their firm texture and tart bite, creating a sauce that clings to the food rather than sliding off. Teaching Idea: Emulsion Stability. Introducing free water (pickle brine) to an oil-in-water emulsion (mayonnaise) dilutes the continuous phase, weakening the structure.

Ingredients

The Base

  • 225 g (1 cup) Master Mayonnaise (Recipe 10-09) or high-quality store-bought
  • 5 g (1 tsp) Dijon Mustard (smooth)
  • 3 g (½ tsp) Diamond Crystal Kosher Salt
  • 1 g (¼ tsp) White Pepper, ground

The Garnish (Solids)

  • 60 g (½ cup) Cornichons, finely minced and dried
  • 15 g (1 tbsp) Capers, rinsed, minced, and dried
  • 15 g (1 tbsp) Shallot, finely minced
  • 5 g (1 tbsp) Fresh Dill, minced (fronds only)
  • 5 g (1 tbsp) Fresh Chives, finely minced

The Adjusters

  • 15 ml (1 tbsp) Lemon Juice, fresh
  • 2 g (½ tsp) Sugar, granulated (optional, to taste)
  • 2 dashes Tabasco Sauce

Mise en Place (Action Checklist)

  • Mince and Wring: Finely brunoise (mince) the cornichons and capers. Place them in a clean towel and squeeze tightly to remove excess brine.
  • Macerate: Finely mince the shallot and toss with the lemon juice in a small bowl. Let sit for 5 minutes.
  • Chiffonade: Slice herbs as finely as possible to maximize aromatic release.

Method

Phase 1: The Acid Bloom.

  1. In a small non-reactive bowl, combine the minced shallot and lemon juice.
  2. Let stand for 5–10 minutes.

Why: The acid “cooks” the raw shallot slightly, taming its harsh sulfurous compounds and turning them sweet and mild.

Phase 2: The Incorporation.

  1. In a medium mixing bowl, place the Master Mayonnaise and Dijon mustard. Whisk gently to combine.
  2. Add the dried cornichons, dried capers, and the shallot-lemon mixture.
  3. Fold gently with a silicone spatula until evenly distributed.

Sensory Cue: The mixture should look “chunky” and hold its shape. If it looks glossy and runny, the vegetables were not dried enough.

Phase 3: Season and Cure.

  1. Fold in the fresh dill, chives, salt, white pepper, and Tabasco.
  2. Taste for seasoning. The sauce should be punchy and tart. If it feels too sharp, add the sugar sparingly.
  3. Cover with plastic wrap pressed directly against the surface and refrigerate for at least 1 hour before serving.

Why: Cold fat holds air better than warm fat, and the resting period allows the flavors to meld (diffusion).

Chef’s Notes

  • Storage: Keeps for 5 days in the refrigerator. Do not freeze (the emulsion will break upon thawing).
  • Commercial Mayo Adjustments: If using store-bought mayonnaise (which is often sweeter and stiffer than homemade), increase the lemon juice by 1 tsp and omit the sugar entirely.
  • Texture: For a refined sauce, pulse the cornichons and capers in a food processor, but do not puree; we want distinct texture points.

Glossary

  • Sauce Dérivée: A “daughter sauce” created by adding flavorings to a leading “Mother Sauce” (in this case, Mayonnaise).
  • Brunoise: A very fine dice (approx. 3mm cubes).
  • Emulsion: A mixture of two liquids that normally don’t mix (oil and water/vinegar), held together by an emulsifier (egg yolk).