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Plain Court-bouillon

Plain Court-bouillon

Created by Chef Juliette

Based on No. 166, Plain Court-bouillon, from Le Guide Culinaire (1907) by Auguste Escoffier

Cold fish, salted water, milk, and lemon rise together toward one quiet boil. Move the pan off heat at once, and whole turbot or brill finishes gently, pale, moist, and intact.

Sauces & Condiments
French
Dinner Party
Special Occasion
Celebration
15 min
Active Time
45 min cook1 hr total
YieldAbout 2 1/4 quarts, enough for one 2 1/2 to 3 pound whole turbot or brill in a snug pan

Court-bouillon simple (plain poaching liquor) teaches one true thing: the fish and its liquor must begin cold and warm together, very slowly. This is not a broth prepared first and poured around the fish. The gradual rise in temperature is the technique, keeping a large turbot or brill intact while the flesh cooks evenly from its thin edges to its thick backbone.

The old formula assumed a turbotière, the broad fish kettle made for turbot, and a range where the vessel could be pushed to the side of the fire. A snug fish poacher or a deep, stovetop-safe roasting pan gives one home cook the same control. Brigade quantities are scaffolding and can go, so this version begins with two quarts of water, enough for one modest whole fish in a close-fitting pan. The proportions, the cold start, and the move away from direct heat remain untouched because those steps are the dish.

The milk leaves the flesh pale and gentle, while the single peeled lemon slice per quart gives only a clean edge, never a lemon sauce. Watch for the first true boil. The moment it arrives, the pan comes off direct heat, and that single decision matters more than anything else you do.

Court-bouillon simple belongs to the classical fish kitchens supplied by the Channel and Atlantic ports, especially those of Normandy and Brittany, where turbot and brill arrived whole and were prized for pale, firm flesh. Most court-bouillons are aromatic, but this specialized version is nearly bare: milk, salted water, and one peeled lemon slice per quart, with no wine, roots, or herbs. It was never a stored stock; its work was the controlled ascent from cold around the fish, followed by gentle cooking at the side of the fire.

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Ingredients

cold water

Quantity

8 cups (1.9 L / 1.9 kg)

whole milk

Quantity

1 cup (240 ml / 245 g)

fine sea salt

Quantity

4 1/4 teaspoons (scant 1 oz / 26 g)

lemon

Quantity

2 very thin slices

yellow zest and white pith removed

whole turbot or brill

Quantity

1 fish, 2 1/2 to 3 pounds (1.1 to 1.4 kg)

cleaned, fins trimmed, gills and innards removed

Equipment Needed

  • Snug fish poacher with rack, or a deep stovetop-safe roasting pan with a flat rack
  • Two broad fish spatulas
  • Instant-read thermometer
  • Lid or wide sheet of foil

Instructions

  1. 1

    Fit Fish to Pan

    Choose the smallest stovetop-safe vessel in which the fish can lie flat without bending. Set the rack or perforated insert in place and test the fit before adding anything. The prepared quantity should cover the fish; if it does not, increase every part of the court-bouillon in proportion rather than topping it up with plain water. A close-fitting pan reduces the amount needed and replaces the brigade fish kettle honestly.

    For every additional 4 cups (950 ml / 950 g) water, add 1/2 cup (120 ml / 123 g) whole milk, 2 1/8 teaspoons (13 g) fine sea salt, and 1 very thin slice of peeled lemon.
  2. 2

    Make the Cold Liquor

    Pour the cold water and cold milk into the vessel, add the salt, and stir until no crystals remain on the bottom. Add the peeled lemon slices. Lower the chilled fish onto the rack, dark skin facing upward, while the court-bouillon is still completely cold. It must cover the fish; do not preheat even part of it, because fish and liquor rising together is the principle of this preparation.

  3. 3

    Raise Heat Slowly

    Set the vessel over low to medium-low heat. If it spans two burners, keep both gentle and rotate the pan occasionally so one end does not race ahead. Allow 25 to 35 minutes for the court-bouillon to approach the boil. First you will see tiny bubbles around the rim, then a quiet movement across the surface. Do not stir, turn, or prod the fish. When the first true boil breaks the surface, lift the vessel off direct heat immediately. If it surges into a rolling boil, move it at once and leave the fish still. Ça se rattrape: a few seconds have not ruined it, but restarting the boil will.

  4. 4

    Finish Off Heat

    Cover the vessel loosely and let the fish finish in the retained heat for 8 to 15 minutes, depending on its thickness. Test at the thickest part beside the backbone, not at the thin fin edge. The flesh is ready when it reaches 145°F (63°C), looks moist and opaque, and lifts from the bone with slight resistance. If it remains underdone after the liquor has cooled below a gentle quiver, return the pan to the lowest heat only until that quiver returns, then move it off again. Patience, not another boil.

  5. 5

    Lift and Serve

    Raise the rack slowly and let the fish drain over the vessel for 2 minutes. Transfer it to a warm serving platter with two broad spatulas, keeping its whole shape intact, then remove the skin if the chosen presentation requires it. Serve immediately. The court-bouillon has completed its single task and is neither a finished sauce nor a keeping stock, so discard it after cooking. À table!

Chef Tips

  • The pan determines the quantity. A broad vessel wastes court-bouillon and may force you to double the formula, while a snug one covers the fish with far less. Test the fit before your guests arrive.
  • Use whole milk, not cream, and remove both the yellow zest and white pith from the lemon slices. Zest would dominate this intentionally quiet liquor, while exposed pith can leave bitterness during the slow heating.
  • Do not add onion, herbs, wine, vinegar, peppercorns, or stock. Those belong to other court-bouillons. This entry is built specifically for large pieces of turbot and brill, and its restraint is deliberate.
  • Ask the fishmonger to clean the fish, trim the fins, and leave the body whole. Keep it well chilled until the pan is ready; a large flatfish is much easier to lower and lift when it is cold and firm.
  • Never prepare or store this court-bouillon in advance. Mix it cold around the fish at the moment of cooking, then discard it after use because it has held raw fish.

Advance Preparation

  • Have the fish cleaned and trimmed earlier the same day, then keep it covered at 40°F (4°C) or colder until cooking.
  • Measure the water, milk, and salt separately up to 4 hours ahead, and prepare the peeled lemon slices. Do not combine or heat them until the fish is in its pan.
  • Before the dinner party, place the wrapped fish in the empty vessel to confirm that it lies flat and that the rack can be lifted without catching.

Frequently Asked Questions

Nutrition Information

1 serving (about 140g)

Calories
175 calories
Total Fat
5 g
Saturated Fat
1 g
Trans Fat
0 g
Unsaturated Fat
3 g
Cholesterol
80 mg
Sodium
450 mg
Total Carbohydrates
1 g
Dietary Fiber
0 g
Sugars
1 g
Protein
29 g

Note: Chef personas and recipes are created with AI assistance. Cook with care: follow safe food-handling practices, check doneness with a thermometer when needed, and adapt for allergies and your kitchen.

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