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Sole Au Gratin

A baked sole fillet topped with butter, shallots, parsley, mushrooms, spices, sherry, Espagnole sauce, and breadcrumbs.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 14 ingredients
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Why it works: Shallot and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 3,737 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓

Sole Au Gratin

Oven, in the book's wordsA brisk oven

Ingredients

Directions

The book says “a brisk oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

  1. Preheat the oven to 400°F (200°C).

  2. Place the cleaned sole in a well‑buttered metal dish, back upwards, with at least an inch of margin.

Season and bake

  1. Top the sole with butter pieces, shallot, parsley, chopped mushrooms, cayenne pepper, salt, nutmeg, sherry, and Espagnole sauce.

  2. Strew quartered mushrooms and shrimps around the sole.

  3. Bake for 10 minutes.

  4. Turn the fish, baste with the gravy, and sprinkle bread crumbs over it.

  5. Bake for an additional 5 to 10 minutes, depending on the size of the fish.

Serve

  1. Serve in the baking dish, garnished with a squeeze of lemon.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Shallot + parsleytop 1% of all pairs
    Smell alikestrong
    Cooked together3,737 recipes

    Shared aroma: 2,4-decadienal (seaweed).

  2. Parsley + peppertop 2% of all pairs
    Smell alikestrong
    Cooked together34,122 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  3. Parsley + nutmegtop 3% of all pairs
    Smell alikestrong
    Cooked together5,062 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  4. Shallot + mushroomtop 4% of all pairs
    Smell alikemoderate
    Cooked together1,982 recipes

    Shared aroma: 2,4-decadienal (seaweed).

  5. Shallot + nutmegtop 5% of all pairs
    Smell alikestrong
    Cooked together1,019 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Sole
Forms the main body of the dish, cooking gently in the buttery sauce.
Butter
Adds richness and moisture, carrying flavour and helping the top brown.
Sherry or dry white wine
Adds acidity and aroma, mixing with the butter to form the gravy.
Espagnole sauce
Contributes body and savoury depth to the gravy that bastes the fish.
Button mushrooms
Add earthy flavour and moisture as they cook in the sauce.
Bread crumbs
Form a crisp topping that browns during the final baking.

The step that matters

Turning the fish and basting. Turning and basting with the gravy keeps the delicate sole moist and evenly cooked, while the bread crumbs added afterward brown on top rather than burning during the earlier bake.

Swap the nutmeg

How well each one fits the dish's main ingredients (butter, shallot, parsley, mushroom, pepper, sherry, sauce):

  1. Thymefits better
  2. Capersfits better
  3. Tarragonfits better
  4. Nutmegthe original

Fit is the average pairing score against butter, shallot, parsley, mushroom, pepper, sherry, sauce. Candidates are from the same food group and used in at least 100 recipes.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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