Why it works: Leek and turnip match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,046 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Pot-au-feu
Ingredients
Directions
Cook the beef
Place the beef in a porcelain kettle and cover the kettle with cold water.
Bring the water to a boil and skim the surface carefully.
Add salt and peppercorns.
Boil very slowly for 3 hours.
Add the vegetables
Add the sliced onions browned in butter, leeks, parsnip, turnips, carrots, cabbage, celery, and bay leaf.
Boil very slowly for 2 more hours.
Serve
Remove the beef.
Arrange the vegetables around the beef.
Strain the broth.
Pour a little broth over the beef.
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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Leek + turniptop 1% of all pairsSmell alikestrongCooked together1,046 recipes
Shared aroma: coumarin (sweet, hay).
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Parsnip + turniptop 1% of all pairsSmell alikestrongCooked together590 recipes
Shared aroma: coumarin (sweet, hay).
-
Leek + parsniptop 1% of all pairsSmell alikestrongCooked together165 recipes
Shared aroma: coumarin (sweet, hay).
-
Parsnip + carrottop 1% of all pairsSmell alikestrongCooked together1,097 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
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Turnip + carrottop 1% of all pairsSmell alikestrongCooked together8,002 recipes
Shared aroma: coumarin (sweet, hay).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Lean beef
- Provides the meat that becomes tender during long, slow simmering.
- Leeks
- Contribute mild onion-like sweetness and aroma to the broth.
- Parsnip
- Adds natural sweetness and body as it softens in the broth.
- Onions
- Browning in butter first adds deeper, sweeter flavor to the broth.
The step that matters
Boil very slowly. A gentle simmer keeps the broth clear and lets the beef turn tender. A hard rolling boil emulsifies fat and fibres into a cloudy broth and toughens the meat.
Swap the cabbage
How well each one fits the dish's main ingredients (beef, onion, butter, leek, parsnip, turnip, carrot):
- Chivefits better
- Beetrootfits better
- Shallotfits better
- Cabbagethe original
Fit is the average pairing score against beef, onion, butter, leek, parsnip, turnip, carrot. 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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