Chef Juliette
John Dory (St. Pierre)
John Dory has the delicacy of sole and the firmness of turbot. A light flouring, a quick butter sauté, and nut-brown beurre noisette show exactly why looks never mattered.
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Filets de Soles aux Champignons
Created by Chef Juliette
Based on No. 871, Filets de Soles aux Champignons, from Le Guide Culinaire (1907) by Auguste Escoffier
Filets de Soles aux Champignons turns one mushroom liquor into both poaching medium and sauce, giving tender folded sole an ivory, butter-glossed coating with every drop of mushroom character kept.
Main Dishes
French
Weeknight
Comfort Food
Dinner Party
20 min
Active Time
25 min cook•45 min total
Yield4 servings
Filets de Soles aux Champignons (sole fillets with mushrooms) teaches a principle worth carrying through the whole classical repertoire: the mushroom liquor is not a by-product. It poaches the fish, collects the sole's juices, reduces to an essence, and becomes the foundation of the sauce. Discard it or weaken it, and the dish has nowhere to go.
The brigade version assumed a saucier on staff, prepared velouté beside a stockpot never off the fire, and mushroom cuisson already waiting. A salamander has no job here because nothing is browned or gratinéed. For one cook, one stove, one evening, the honest equivalent is to make the mushroom liquor in the same covered pan, measure two tablespoons of prepared fish velouté, and use a warm oval platter while that pan becomes the saucier. Separate holding pans are scaffolding and can go. Stewing the mushrooms, poaching the folded fillets in their liquor, reducing that liquor to one-third, and mounting the sauce with butter are the dish, and every one stays.
The finished sole should be tender enough to separate beneath a fork, with small mushrooms gathered at the center and a pale sauce that coats rather than buries. Measure the mushroom liquor before the fish goes in, then reduce the poaching liquor to one-third; that is the step that decides the sauce.
Filets de Soles aux Champignons belongs to the Parisian classical dining-room repertoire, where sole fillets were folded, shallow-poached, and sauced à la minute while garnishes were kept ready by the saucier. The method traveled readily to the bourgeois home table because its apparent luxury rests on economy: the mushroom cuisson, or cooking liquor, is captured and used twice rather than poured away. The pale richness does not come from cream, as is often assumed, but from velouté, reduction, and butter, with the mushrooms providing the entire aromatic accent.
The technique, the tradition, and the story behind every dish.
Discover Culinary ExplorerIngredients
skinless sole fillets
Quantity
8 (about 1½ lb / 680 g total)
checked for bones
very small white button mushrooms
Quantity
about 1 cup (2 oz / 57 g)
wiped clean and left whole or halved only if necessary
water
Quantity
½ cup plus 1 tbsp (135 ml / 135 g)
divided
unsalted butter
Quantity
¼ cup (4 tbsp / 60 ml / 56 g)
divided, with the final 2 tbsp cold and cubed
prepared fish velouté
Quantity
2 tbsp (30 ml / 32 g)
fine sea salt
Quantity
½ tsp (2.5 ml / 3 g)
divided
| Ingredient | Quantity |
|---|---|
| skinless sole filletschecked for bones | 8 (about 1½ lb / 680 g total) |
| very small white button mushroomswiped clean and left whole or halved only if necessary | about 1 cup (2 oz / 57 g) |
| waterdivided | ½ cup plus 1 tbsp (135 ml / 135 g) |
| unsalted butterdivided, with the final 2 tbsp cold and cubed | ¼ cup (4 tbsp / 60 ml / 56 g) |
| prepared fish velouté | 2 tbsp (30 ml / 32 g) |
| fine sea saltdivided | ½ tsp (2.5 ml / 3 g) |
Equipment Needed
- •12-inch (30 cm) lidded sauté pan
- •Small fine-mesh strainer
- •Heatproof measuring cup
- •Slotted fish slice
- •Small whisk
- •Warm oval serving platter
Instructions
- 1
Stew the mushrooms
Put the mushrooms in a 12-inch lidded sauté pan with 1 tablespoon (15 ml / 14 g) of the butter, ¼ teaspoon (1.25 ml / 1.5 g) of the salt, and ½ cup (120 ml / 120 g) of the water. Cover and bring the liquid to a bare simmer over medium-low heat. Stew for 5 to 7 minutes, rolling the mushrooms once, until they are tender but still hold their shape and the liquor tastes distinctly of mushroom. Lift the mushrooms out with a slotted spoon and reserve them. Strain the liquor into a measuring cup.
You need exactly one-sixth of an Imperial pint, about ⅓ cup plus 1 tablespoon (95 ml / 95 g), for the poach. If you have more, reduce it gently to that measure; if you have less, add only enough of the reserved water to reach it. This preserves the source recipe's proportion. - 2
Fold and poach
Dry the sole fillets and season them with the remaining ¼ teaspoon (1.25 ml / 1.5 g) salt. Fold each fillet neatly into three, bringing the thin tail inward first and the broader end over it, then arrange the packets snugly in one layer in the same pan. Pour the measured mushroom liquor around them and dot with 1 tablespoon (15 ml / 14 g) butter. Cover, bring the liquid just to a tremble over medium heat, then immediately lower the heat and poach for 4 to 6 minutes, until the fish is opaque, separates under light pressure, and reaches 145°F (63°C) at its thickest point. Never let it boil. If the liquid surges, lift the pan from the heat, uncover it for a few seconds, and return it over a gentler flame. Ça se rattrape, provided you catch it promptly.
- 3
Arrange the platter
Warm an oval serving platter with hot water, then dry it thoroughly. Lift the fillets from the pan with a slotted fish slice, letting every drop of their liquor fall back into the pan. Arrange them in a slightly overlapping oval and gather the reserved mushrooms in the center, exactly as the source directs. Cover the platter loosely and keep it beside the stove. Do not put it into a low oven; thin sole continues cooking while it waits.
- 4
Reduce the liquor
Bring the poaching liquor to a brisk boil and reduce it to one-third of its volume, about 2 tablespoons (30 ml). The bubbles will grow tighter, the mushroom aroma will deepen, and the liquid will lightly glaze the pan rather than run like water. Whisk in the prepared fish velouté and let the sauce take one gentle bubble. It should coat the back of a spoon. If it remains thin, reduce it briefly before adding the finishing butter; if it has tightened too far, loosen it with reserved water, 1 teaspoon (5 ml / 5 g) at a time.
- 5
Monter au beurre
Monter au beurre, finish the sauce with butter, by taking the pan completely off the heat and whisking in the remaining cold 2 tablespoons (30 ml / 28 g) butter one cube at a time. Each cube must disappear before the next goes in. The sauce is ready when it is smooth, ivory-colored, and glossy enough to cling softly to the whisk. Do not boil it again. If it turns greasy or separates, stop adding butter and whisk in 1 teaspoon (5 ml / 5 g) cold reserved water; once it smooths, continue cube by cube.
- 6
Coat and serve
Taste the sauce and correct the salt only if necessary. Spoon it over the folded fillets and the mushrooms, coating every piece without drowning the oval arrangement. Serve immediately while the sauce still gleams and the sole is tender. À table!
Chef Tips
- •Dover sole gives the finest texture and folds without protest. Lemon sole is an honest substitute. Thin flounder fillets will also work, but they cook faster and may need only 3 to 4 minutes in the poaching liquor.
- •Use a plain, lightly seasoned fish velouté built from pale roux and fish stock. It should be loose enough to spoon when warm. Cream and cornstarch change the sauce's structure and mute the mushroom liquor, so neither belongs here.
- •Choose the smallest firm button mushrooms you can find. Leave them whole when possible; sliced mushrooms surrender too much water, collapse in the pan, and lose the neat central garnish specified by the source.
- •A dry, mineral white wine suits the delicate sauce. Chablis, Muscadet, or a restrained white Burgundy will support the sole without covering the mushrooms.
Advance Preparation
- •The mushrooms can be stewed and their liquor measured up to 4 hours ahead. Refrigerate them separately, then bring the liquor back to a simmer before poaching the sole.
- •The fish velouté can be prepared up to 2 days ahead and kept chilled. Warm only the measured portion enough to loosen it before adding it to the reduction.
- •Do not finish the sauce or poach the sole in advance. The fillets toughen while holding, and a mounted butter sauce loses its fine emulsion when repeatedly reheated.
Frequently Asked Questions
Nutrition Information
1 serving (about 190g)
Calories
230 calories
Total Fat
15 g
Saturated Fat
8 g
Trans Fat
0 g
Unsaturated Fat
5 g
Cholesterol
110 mg
Sodium
830 mg
Total Carbohydrates
1 g
Dietary Fiber
0 g
Sugars
0 g
Protein
22 g
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