Why it works: Celery and pepper 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 ↓
Knuckle of Veal Ragout
Ingredients
Directions
Make the broth
Boil the bones until the gristles are tender.
Return the bones to the broth and boil until reduced to 1 quart.
Add the sliced onion, celery or carrot, and sweet herbs.
Brown the veal
Season the veal with salt and pepper, then coat with flour and fry until browned.
Make the gravy and serve
Strain the gravy and remove all fat.
Thicken the gravy with butter and flour.
Stir in ketchup, white wine, and lemon juice until smooth, then boil.
Add the veal to the gravy and heat through.
Serve garnished with ham, bacon, or sausages.
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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Celery + peppertop 5% of all pairsSmell alikestrongCooked together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Onion + celerytop 7% of all pairsSmell alikemoderateCooked together18,518 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Butter + white winetop 9% of all pairsSmell alikemoderateCooked together5,083 recipes
Shared aroma: ethyl octanoate (fruity, wine).
-
Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and butter barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Veal knuckle
- Provides the meat that becomes tender during the long simmering in the gravy.
- Flour
- Coats the veal for browning and thickens the gravy as a starch.
- Butter
- Adds richness and flavor to the gravy and helps thicken it with the flour.
- White wine
- Adds acidity and aroma that brighten the gravy.
- Bones with marrow
- Release gelatin and body into the broth, giving the gravy depth and a silky mouthfeel.
The step that matters
Remove all fat from the strained gravy. Fat left in the gravy separates as an oily layer and dulls the flavor and texture, so skimming it thoroughly gives a clean, smooth sauce.
Swap the onion
How well each one fits the dish's main ingredients (veal, celery, pepper, flour, butter, ketchup, white wine):
- Carrotfits better
- Shallotfits better
- Capsicumfits better
- Onionthe original
Fit is the average pairing score against veal, celery, pepper, flour, butter, ketchup, white wine. 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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