Why it works: Pepper and lemon match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Terrapin Dressing.
Ingredients
Directions
Make the dressing
Place the terrapin in a saucepan with hot water underneath and let it steam.
Heat the cream and butter, then stir in the terrapin, mustard, and finely rubbed hard-boiled egg yolks.
Let this mixture boil for about five minutes.
Add salt and cayenne pepper to taste.
Finish and serve
Just before serving, heat the sherry wine and pour it in.
Serve very hot, garnished with thin slices of lemon.
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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Pepper + lemontop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Cream + buttertop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Mustard + peppertop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Mustard + lemontop 11% of all pairsSmell alikestrongCooked together3,816 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
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Wine + lemontop 13% of all pairsSmell alikelowCooked together6,157 recipes
Shared aroma: decanal (soap, orange peel).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Terrapin
- Forms the main body of the dressing and supplies its rich, meaty flavour.
- Egg yolks
- Thicken the mixture as they cook and give it a smooth, creamy texture.
- Butter
- Adds fat for richness and a smooth mouthfeel.
- Sweet cream
- Adds moisture and richness, helping the mixture stay smooth and creamy.
- Sherry wine
- Adds acidity and aroma that brighten the rich dressing.
The step that matters
Boiling after adding the egg yolks. Egg yolks thicken as they heat, but if the mixture boils too hard or too long it can curdle or become grainy. Keeping the boil gentle and timed helps the dressing stay smooth and cohesive.
Swap the mustard
How well each one fits the dish's main ingredients (cream, sherry, wine, egg, butter, pepper, lemon):
- Capsicumfits better
- Asparagusfits better
- Spinachfits better
- Mustardthe original
Fit is the average pairing score against cream, sherry, wine, egg, butter, pepper, lemon. 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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