Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓
Terrapins
Ingredients
Directions
Prepare the terrapins
Put the terrapins in boiling water until they are dead.
Remove the outer skin and toe-nails, then wash in warm water.
Boil again until tender, adding salt to the water.
Remove the shells and clean the terrapins, discarding the sandbag and gall.
Cut the meat into small pieces and place in a saucepan with its juices.
Make the stew
Season with salt, cayenne, and black pepper, then add butter and flour for thickening.
Stir for a short time, then add cream and Madeira wine.
Serve hot in a deep dish, adding mustard and hard-boiled egg yolks just 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 their aromas overlap, and how often cooks already put them together.
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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Pepper + mustardtop 9% of all pairsSmell alikemoderateCooked together15,430 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).
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Flour + mustardtop 13% of all pairsSmell alikemoderateCooked together5,066 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 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
- Terrapins
- Provide the lean, tender meat that forms the body of the stew.
- Butter
- Adds richness and fat, carrying flavour and giving the sauce a smooth mouthfeel.
- Flour
- Thickens the cooking juices into a body-rich sauce when stirred with butter.
- Cream
- Adds moisture and richness, softening the sauce and mellowing the seasoning.
- Madeira wine
- Adds sweetness and aromatic depth to the sauce.
- Hard-boiled egg yolks
- Enrich the sauce with a creamy, thickening texture.
The step that matters
Boil again until tender, adding salt to the water.. Terrapin meat toughens or stays rubbery if undercooked, and boiling in salted water seasons the meat through as it cooks. Checking for tenderness before moving on is what keeps the texture right.
Swap the mustard
How well each one fits the dish's main ingredients (butter, flour, cream, madeira wine, pepper, egg):
- Shallotfits better
- Chivefits better
- Leekfits better
- Mustardthe original
Fit is the average pairing score against butter, flour, cream, madeira wine, pepper, egg. 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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