Why it works: Carrot and turnip are a kitchen classic. They rank in the top 2% of all ingredient pairs, and 8,001 recipes mention both. Both carry coumarin, which smells sweet, hay. The science ↓
The recipe
Ingredients
Directions
Make the stock
Place the sheep's head and pig's feet in a large soup pot and cover with water.
Bring to a boil and simmer for 2 hours, skimming often.
Add the sliced vegetables and herbs.
Cook for an additional 3 hours, replenishing with boiling water as needed.
Strain the soup, reserving 5 quarts.
Portion and store
Set aside the sheep's tongue to cool, along with meat from one pig's foot.
Season the remaining meat and bones, and place them in a stock pot.
Pour in the reserved soup and any skimmed pot liquor from corned ham, if available.
Season again and store in a cool place.
Finish and serve
Cool and skim the soup meant for today, season, and add the sliced tongue and diced pig's feet.
Boil for 1 minute before serving.
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 aroma chemistry they share, and how many recipes mention both.
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Carrot + turniptop 2% of all pairsAroma overlapmoderateMentioned together8,001 recipes
Shared aroma: coumarin (sweet, hay).
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Carrot + peppertop 3% of all pairsAroma overlapstrongMentioned together14,555 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + carrottop 4% of all pairsAroma overlapstrongMentioned together21,599 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + turniptop 4% of all pairsAroma overlapmoderateMentioned together7,584 recipes
Shared aroma: coumarin (sweet, hay).
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Onion + peppertop 6% of all pairsAroma overlapmoderateMentioned together68,463 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
- Sheep's head
- Gives the stock its body and rich, gelatinous meat.
- Pig's feet
- Release gelatin into the broth, adding body and a silky mouthfeel.
- Onions
- Add sweetness and aromatic flavor to the broth as they cook down.
- Carrots
- Contribute gentle sweetness and color to the soup.
- Turnips
- Add mild earthy sweetness and soften into the broth.
The step that matters
Skimming the broth during the first simmer. Foam and impurities rise to the surface while the meat simmers. Removing them regularly keeps the broth clear and clean-tasting rather than cloudy or greasy.
Flavor stand-ins for the onion
How well each one fits the dish's main ingredients (carrot, turnip, pepper):
- Parsnipbetter flavor fit
- Cabbagebetter flavor fit
- Capsicumbetter flavor fit
- Onionthe original
Fit is the average pairing score against carrot, turnip, pepper. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“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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