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Sauce

Caper Sauce for Fish

A sauce made with melted butter, veal gravy, anchovy essence, chili vinegar, and optional mushroom catsup.

From an old cookbook · modernised transcription
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Why it works: Butter and mushroom are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 12,525 recipes. Both carry trans-2-decenal, which smells waxy, orange. The science ↓

Caper Sauce for Fish

Ingredients

Directions

  1. In a bowl, combine the melted butter with the veal gravy or jelly.

  2. Add the essence of anchovies and mix well.

  3. Season with chili vinegar or cayenne to taste.

  4. If you don't have gravy, substitute with mushroom catsup or Harvey's sauce.

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. Butter + mushroomtop 7% of all pairs
    Smell alikemoderate
    Cooked together12,525 recipes

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

  2. Veal + mushroomtop 14% of all pairs
    Smell alikemoderate
    Cooked together2,446 recipes

    Shared aroma: 2,4-nonadienal (fatty, green).

  3. Vinegar + mushroomtop 18% of all pairs
    Smell alikemoderate
    Cooked together2,070 recipes

    Shared aroma: 2-methoxy-4-methylphenol (smoky, clove).

  4. Butter + vealtop 23% of all pairs
    Smell alikemoderate
    Cooked together9,381 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  5. Butter + vinegartop 23% of all pairs
    Smell alikemoderate
    Cooked together13,513 recipes

    Shared aroma: isoamyl acetate (banana, pear).

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

What each ingredient does

Melted butter
Forms the rich base of the sauce and carries the flavour and smooth texture.
Veal gravy or jelly
Adds savoury depth and body, helping the butter hold together as a sauce.
Essence of anchovies
Adds a salty, savoury depth that rounds out the richness of the butter.
Mushroom catsup or harvey's sauce
Can replace the gravy, adding savoury, umami depth to the sauce.

The step that matters

Combining the butter with the gravy or jelly. Melted butter and water-based gravy naturally separate, so whisking steadily while combining helps form a smoother, more cohesive emulsion.

“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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