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Sole Au Gratin

A baked sole fillet topped with a seasoned breadcrumb mixture and wine stock.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 13 ingredients
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Why it works: Parsley and shallot 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 quick oven

Ingredients

Directions

The book says “a quick 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. In a bowl, mix fine bread crumbs, parsley, shallot or spring onions, mushrooms, and bacon. Season the mixture with white pepper and coarse sea salt.

  3. Grease the bottom of a large oven‑safe dish with butter.

Assemble

  1. Spread half of the seasoning mixture in the dish and place the sole on top. Cover the fish with the remaining seasoning mixture.

  2. Pour the white wine and white stock over the fish.

  3. Sprinkle a thin layer of fine bread crumbs on top and add a few drops of butter.

Bake

  1. Bake in the oven for 15‑20 minutes, watching carefully to prevent burning.

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. Parsley + shallottop 1% of all pairs
    Smell alikestrong
    Cooked together3,737 recipes

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

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

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

  3. Mushroom + white winetop 5% of all pairs
    Smell alikemoderate
    Cooked together1,765 recipes

    Shared aroma: ethyl octanoate (fruity).

  4. Bread + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together27,232 recipes

    Shared aroma: delta-decalactone (sweet, creamy).

  5. Mushroom + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together12,525 recipes

    Shared aroma: trans-2-decenal (waxy, orange).

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

What each ingredient does

Sole
The main fish, which cooks gently in the wine and stock under the crumb topping.
Fine bread crumbs
Form a crisp, golden crust on top and absorb moisture from the wine and stock.
White wine
Adds acidity and aroma and steams the fish as it bakes.
White stock
Supplies moisture and savoury flavour to the fish and crumb mixture.
Butter
Adds fat that promotes browning of the bread crumb topping.
Mushrooms
Contribute earthy flavour and moisture to the seasoning mixture.

The step that matters

Watching the bake. The thin crumb topping and small amounts of butter can scorch quickly at high heat, while the fish needs to cook through. Checking early within the 15-20 minute window helps balance browning with doneness.

Swap the white pepper

How well each one fits the dish's main ingredients (bread, parsley, shallot, mushroom, butter, white wine):

  1. Thymefits better
  2. Capersfits better
  3. Tarragonfits better
  4. White pepperthe original

Fit is the average pairing score against bread, parsley, shallot, mushroom, butter, white wine. 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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