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Aspic Jelly

Aspic jelly is a gelatinous meat stock set with egg whites and vinegar.

From an old cookbook · modernised transcription
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Why it works: Pepper and tarragon match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 2,399 recipes. Both carry estragole, which smells anise, licorice. The science ↓

Aspic Jelly

Ingredients

Directions

Prepare

  1. Cut the ham into slices and lay it in the bottom of a stew pan.

  2. Chop the calf's feet and veal into small pieces and add them to the ham.

  3. Add the poultry trimmings, vegetables, bouquet garni, and seasoning.

  4. Fill the stew pan with stock.

Make the stock

  1. Let it simmer gently for 4 hours, removing any scum that rises.

  2. Strain the liquid through a fine sieve into a basin.

  3. Let the strained liquid cool to remove any fat.

Clarify and finish

  1. Put the jelly into a clean stew pan.

  2. Add the browning to the stew pan and melt the jelly.

  3. Whisk in the whites and shells of the eggs and tarragon vinegar.

  4. Bring to a boil while whisking continuously.

  5. Simmer and strain again if not clear.

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. Pepper + tarragontop 5% of all pairs
    Smell alikestrong
    Cooked together2,399 recipes

    Shared aroma: estragole (anise, licorice).

  2. Carrot + peppertop 6% of all pairs
    Smell alikestrong
    Cooked together14,555 recipes

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

  3. Carrot + tarragontop 6% of all pairs
    Smell alikestrong
    Cooked together463 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  4. Carrot + oniontop 6% of all pairs
    Smell alikemoderate
    Cooked together21,601 recipes

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

  5. Tarragon + vinegartop 7% of all pairs
    Smell alikemoderate
    Cooked together2,547 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

What each ingredient does

Calf's feet
Release gelatin into the stock, giving the aspic its jelly-like set when cooled.
Veal knuckle
Adds gelatin and body, supporting the stock's setting and rich flavor.
Egg whites and shells
Bind fine particles as they coagulate, clearing the cloudy stock when strained.
Tarragon vinegar
Adds acidity and aroma, brightening the flavor of the clarified jelly.
Browning
Adds color, giving the jelly the golden tone the recipe calls for.

The step that matters

Simmer gently and skim. A rolling boil breaks up the scum and fat and clouds the stock, so it must simmer gently. Removing the scum keeps the finished jelly clear and clean-tasting.

Swap the onion

How well each one fits the dish's main ingredients (veal, ham, carrot, pepper, egg, tarragon, vinegar):

  1. Capsicumfits better
  2. Shallotfits better
  3. Mustardfits better
  4. Onionthe original

Fit is the average pairing score against veal, ham, carrot, pepper, egg, tarragon, vinegar. 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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