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Soles LA Gratin

A baked sole fillet topped with parsley, white wine, brown sauce, and breadcrumbs.

From an old cookbook · modernised transcription
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Why it works: Pepper and parsley match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and 34,118 recipes mention both. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

The recipe

Ingredients

Contains: milk, wheat (auto-detected from the ingredients and method; we can miss things, so check labels)

Directions

The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare

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

  2. Spread fresh butter on a baking dish.

  3. Place the soles in the dish and season with pepper and coarse sea salt.

  4. Sprinkle chopped parsley over the soles and moisten with white wine.

Bake and finish

  1. Bake in the oven for 30 minutes.

  2. After 20 minutes, remove the soles and sauce them with brown sauce.

  3. Sprinkle bread crumbs over the top and return to the oven for a few minutes.

  4. Just before serving, pass a red-hot salamander over the soles.

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 aroma chemistry they share, and how many recipes mention both.

  1. Pepper + parsleytop 2% of all pairs
    Aroma overlapstrong
    Mentioned together34,118 recipes

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

  2. Butter + breadtop 3% of all pairs
    Aroma overlapstrong
    Mentioned together27,145 recipes

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

  3. Butter + white winetop 3% of all pairs
    Aroma overlapstrong
    Mentioned together5,039 recipes

    Shared aroma: ethyl octanoate (fruity, wine).

  4. Pepper + white winetop 7% of all pairs
    Aroma overlapmoderate
    Mentioned together5,223 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  5. Parsley + white winetop 7% of all pairs
    Aroma overlapmoderate
    Mentioned together2,868 recipes

    Shared aroma: myrcene (balsamic, herbaceous).

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

What each ingredient does

Soles
Form the main body of the dish, cooking through to flaky, tender flesh.
Fresh butter
Adds richness and fat that keeps the fish moist and carries flavour.
White wine
Adds moisture and acidity that steams the fish and lifts its flavour.
Brown sauce
Adds savoury depth and moisture over the fish during baking.
Bread crumbs
Form a crisp topping that browns under heat and adds texture.

The step that matters

Passing the red-hot salamander over the soles. The heat must brown the crumb topping quickly, because prolonged exposure dries and overcooks the delicate fish flesh beneath.

Flavor stand-ins for the parsley

How well each one fits the dish's main ingredients (butter, pepper, white wine, sauce, bread):

  1. Parsleythe original
  2. Thymeabout as good a flavor fit
  3. Tarragonabout as good a flavor fit

Fit is the average pairing score against butter, pepper, white wine, sauce, bread. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).

“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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