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 or Soup
Ingredients
Directions
Prepare the pot
Add 6 quarts of water to a large pot.
Tie 4 lbs of beef or ox cheek into a shape with string.
Place the tied beef in the pot.
Bring the water to a boil.
Add ½ oz of coarse sea salt.
Reduce heat to simmer.
Prepare the vegetables
Wash 2 carrots, 2 leeks, 2 turnips, 1 parsnip, and 1 small head of celery in cold water.
Scrape the carrots and parsnip and cut them into quarters.
Trim the green leaves from the leeks, using only the white part.
Remove the green tops from the celery.
Tie the leeks, celery, parsnip, and carrots together with string.
Cut the cabbage in half, wash it thoroughly, and tie it together with string.
Simmer
Skim the pot occasionally.
Simmer the pot-au-feu gently for 1 hour.
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.
-
Leek + turniptop 1% of all pairsSmell alikestrongCooked together1,046 recipes
Shared aroma: coumarin (sweet, hay).
-
Turnip + parsniptop 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).
-
Carrot + parsniptop 1% of all pairsSmell alikestrongCooked together1,097 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
-
Carrot + celerytop 1% of all pairsSmell alikestrongCooked together10,173 recipes
Shared aroma: myristicin (spice, warm).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Beef
- Provides rich flavor and tender meat as its connective tissue slowly breaks down during simmering.
- Leeks
- Add a mild, sweet onion-like flavor that mellows and perfumes the broth.
- Carrots
- Contribute natural sweetness and color to the broth as they cook.
- Cabbage
- Adds subtle sweetness and body to the broth while becoming tender.
The step that matters
Keep the simmer gentle. Boiling vigorously toughens meat proteins and makes the broth cloudy, while a gentle simmer lets connective tissue break down slowly and keeps the broth clear.
Swap the cabbage
How well each one fits the dish's main ingredients (beef, carrot, leek, turnip, parsnip, celery, thyme):
- Beetrootfits better
- Shallotfits better
- Lettucefits better
- Cabbagethe original
Fit is the average pairing score against beef, carrot, leek, turnip, parsnip, celery, thyme. 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.
More pot-au-feu recipes
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.
Green Corn Pudding64 recipes
Cornmeal mush12 recipes