Why it works: Carrot and parsnip match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,097 recipes. Both carry 2-isobutyl-3-methoxypyrazine, which smells green bell pepper, earthy. The science ↓
Cullis for Gravies or Sauces
Ingredients
Directions
Brown the meat
In a saucepan, combine bacon or ham and veal.
Add onions, carrot, parsnip, and water.
Cook on low heat to extract juices from the meat.
Increase heat until meat nearly sticks to the pan.
Lower heat again to let veal stick to the bottom slowly for browning.
Remove meat and vegetables from the pan.
Make the sauce
In the same pan, mix butter and flour until smooth, then cook until light brown.
Add hot broth and return meat to the pan.
Simmer for 2 hours, skimming off fat often.
Strain through a coarse cloth and use as needed.
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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Carrot + parsniptop 1% of all pairsSmell alikestrongCooked together1,097 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
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Onion + carrottop 6% of all pairsSmell alikemoderateCooked together21,601 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Parsnip + flourtop 7% of all pairsSmell alikestrongCooked together669 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Onion + parsniptop 9% of all pairsSmell alikestrongCooked together1,054 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour 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
- Breaks down into gelatin and juices that give the sauce body and a rich meaty flavor.
- Bacon or ham
- Adds salty, smoky meat flavor and fat that carries aroma into the sauce.
- Butter
- Carries fat and flavor and, with flour, forms the roux that thickens the sauce.
- Flour
- Thickens the sauce when cooked with butter into a roux, adding body and smoothness.
- Onions
- Release sweetness and aromatic flavor as they cook down into the broth.
The step that matters
Browning the veal. Meat that is only pale gives a flat-tasting sauce. Browning builds deep flavors through the Maillard reaction, so the meat should sear slowly without burning and sticking too hard to the pan.
Swap the onion
How well each one fits the dish's main ingredients (ham, veal, carrot, parsnip, butter, flour):
- Leekfits better
- Turnipfits better
- Shallotfits better
- Onionthe original
Fit is the average pairing score against ham, veal, carrot, parsnip, 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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