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Pontac Ketchup for Fish

A fish ketchup made with elderberries, vinegar, cloves, mace, peppercorns, shallots, and anchovies.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Clove and shallot match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 1,677 recipes. Both carry eucalyptol, which smells eucalyptus, herbal. The science ↓

Pontac Ketchup for Fish

Ingredients

Directions

Prepare

  1. Place elderberries in a 1-gallon jar and cover with vinegar.

  2. Bake the jar with bread until hot, then strain the mixture.

Make the ketchup

  1. Boil the strained liquid with cloves, mace, peppercorns, and shallots until flavorful.

  2. Add ½ pound of anchovies for every quart of liquid, stirring until dissolved.

  3. Once cooled, transfer the ketchup into pint bottles and seal with a double bladder over each cork.

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. Clove + shallottop 5% of all pairs
    Smell alikestrong
    Cooked together1,677 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  2. Clove + macetop 6% of all pairs
    Smell alikelow
    Cooked together8,400 recipes

    Shared aroma: methyleugenol (clove, spice).

  3. Vinegar + shallottop 12% of all pairs
    Smell alikemoderate
    Cooked together2,374 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Vinegar + clovetop 15% of all pairs
    Smell alikemoderate
    Cooked together10,386 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Mace + shallottop 21% of all pairs
    Smell alikelow
    Cooked together1,257 recipes

    Shared aroma: eugenol (clove, spicy).

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

What each ingredient does

Elderberries
Provide the main fruity flavor and deep color of the ketchup.
Anchovies
Dissolve into the liquid to add savory depth and umami.
Vinegar
Extracts flavor from the berries and acts as the preserving liquid.
Shallots
Add mild aromatic onion flavor to the boiled liquid.

The step that matters

Dissolving the anchovies. Anchovies must be stirred until fully dissolved into the hot liquid; undissolved pieces leave gritty texture and uneven seasoning.

Swap the mace

How well each one fits the dish's main ingredients (vinegar, clove, shallot):

  1. Tarragonfits better
  2. Allspicefits better
  3. Capersfits better
  4. Macethe original

Fit is the average pairing score against vinegar, clove, shallot. 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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