Why it works: Shallot and leek share more aroma than cooks usually use. They rank in the top 1% of all ingredient pairs, and cooks put them together in 64 recipes. Both carry 1-octen-3-ol, which smells mushroom, earthy. The science ↓
Aspic Jelly
Ingredients
Directions
Prepare the feet
Chop the calves’ feet into eight pieces and wash them well in cold water.
Place the pieces in a stewpan, cover with cold water, and bring to a boil to blanch them.
Pour off the water and wash again.
Make the stock
Wash the stewpan, return the feet, and add 2 quarts of water.
Bring to a boil, skimming occasionally.
Add the salt and all other ingredients except the lemon, egg whites, and vinegars.
Wash, scrape, and peel the vegetables before use.
Let the mixture boil gently for 5 hours.
Clarify and finish
Strain through a fine sieve into a basin and let cool completely.
Skim off the fat and wipe the surface with a cloth dipped in hot water.
Return the stock to a clean stewpan, add the lemon peel and juice, whipped egg whites and shells, vinegars, and salt.
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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Shallot + leektop 1% of all pairsSmell alikestrongCooked together64 recipes
Shared aroma: 1-octen-3-ol (mushroom, earthy).
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Thyme + parsleytop 1% of all pairsSmell alikestrongCooked together9,057 recipes
Shared aroma: cuminaldehyde (Spicy, cumin).
-
Garlic + oniontop 1% of all pairsSmell alikestrongCooked together29,058 recipes
Shared aroma: furaneol (caramel, strawberry).
-
Shallot + parsleytop 1% of all pairsSmell alikestrongCooked together3,737 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Shallot + thymetop 1% of all pairsSmell alikestrongCooked together1,476 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Calves’ feet
- Release gelatin into the stock, which allows it to set firm when cold.
- Egg whites
- Trap fine particles as they cook, clarifying the stock to a clear jelly.
- Lemon juice
- Adds acidity that brightens the flavour of the clarified stock.
- Vinegars
- Add acidity and sharp flavour that balances the rich, gelatinous stock.
The step that matters
Keep the stock at a gentle simmer during clarification. A hard, rolling boil breaks up the egg-white raft and churns particles back into the liquid, leaving the aspic cloudy instead of clear.
Swap the mace
How well each one fits the dish's main ingredients (clove, garlic, shallot, thyme, parsley, onion, leek):
- Winter savoryfits better
- Marjoramfits better
- Capersfits better
- Macethe original
Fit is the average pairing score against clove, garlic, shallot, thyme, parsley, onion, leek. 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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