Why it works: Pepper and celery match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 16,012 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
A Cheap Gravit for Hashes, &C.
Ingredients
Directions
Make the stock
Chop the bones into small pieces and place them in a stewpan with the trimmings, salt, pepper, allspice, herbs, and celery.
Cover with boiling water and let simmer gently for 1½ to 2 hours.
Finish the gravy
Slice and fry the onion in the butter until pale brown.
Gradually mix the fried onion with the gravy from the bones.
Boil for 30 minutes.
Strain the gravy into a basin.
Return the strained gravy to the stewpan.
Flavor with walnut pickle or ketchup.
Thicken with a mixture of butter and flour kneaded together on a plate.
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 + celerytop 5% of all pairsSmell alikestrongCooked together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Pepper + allspicetop 5% of all pairsSmell alikestrongCooked together6,395 recipes
Shared aroma: estragole (anise, licorice).
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Allspice + celerytop 6% of all pairsSmell alikestrongCooked together1,422 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Celery + oniontop 7% of all pairsSmell alikemoderateCooked together18,518 recipes
Shared aroma: guaiacol (smoky, sweet).
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Pepper + oniontop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Bones and trimmings
- Release gelatin and savory flavor into the liquid as they simmer, giving the gravy body.
- Onion
- Browning and sweetness from frying until pale brown, adding depth to the gravy.
- Butter
- Carries flavor when frying the onion and, kneaded with flour, helps thicken the gravy.
- Flour
- Starch that thickens the gravy when kneaded with butter and stirred in.
The step that matters
Thicken with butter and flour. Flour must be cooked into the butter and liquid, or the gravy tastes raw and floury. Adding it as a smooth paste, rather than in lumps, lets it thicken evenly.
Swap the onion
How well each one fits the dish's main ingredients (pepper, allspice, celery, butter, flour):
- Carrotfits better
- Mustardfits better
- Parsnipfits better
- Onionthe original
Fit is the average pairing score against pepper, allspice, celery, butter, flour. 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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