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
Cut the ham into slices and lay it in the bottom of a stew pan.
Chop the calf's feet and veal into small pieces and add them to the ham.
Add the poultry trimmings, vegetables, bouquet garni, and seasoning.
Fill the stew pan with stock.
Make the stock
Let it simmer gently for 4 hours, removing any scum that rises.
Strain the liquid through a fine sieve into a basin.
Let the strained liquid cool to remove any fat.
Clarify and finish
Put the jelly into a clean stew pan.
Add the browning to the stew pan and melt the jelly.
Whisk in the whites and shells of the eggs and tarragon vinegar.
Bring to a boil while whisking continuously.
Simmer and strain again if not clear.
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.
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Pepper + tarragontop 5% of all pairsSmell alikestrongCooked together2,399 recipes
Shared aroma: estragole (anise, licorice).
-
Carrot + peppertop 6% of all pairsSmell alikestrongCooked together14,555 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Carrot + tarragontop 6% of all pairsSmell alikestrongCooked together463 recipes
Shared aroma: beta-phellandrene (minty, terpene).
-
Carrot + oniontop 6% of all pairsSmell alikemoderateCooked together21,601 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Tarragon + vinegartop 7% of all pairsSmell alikemoderateCooked 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):
- Capsicumfits better
- Shallotfits better
- Mustardfits better
- 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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