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 alive in a pot of boiling water until they are dead.
Remove their outer skin and toe-nails, then wash in warm water.
Boil again until tender, adding a handful of salt to the water.
Remove the shells and clean the terrapins, discarding the sand-bag and gall.
Cut the meat and entrails into small pieces and place in a saucepan.
Add the juices from cutting, season with salt, cayenne, and black pepper.
Make the soup
Add ¼ pound of butter and a handful of flour for thickening.
Stir for a short time, then add 4-5 tablespoons of cream and ½ pint of Madeira.
Serve hot in a deep dish.
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).
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Flour + peppertop 19% of all pairsSmell alikemoderateCooked together50,459 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Flour + creamtop 20% of all pairsSmell alikemoderateCooked together30,481 recipes
Shared aroma: acetaldehyde (pungent, ethereal).
-
Butter + peppertop 21% of all pairsSmell alikemoderateCooked together85,593 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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 meat that forms the body of the soup.
- Butter
- Adds richness and fat that carries flavour through the soup.
- Flour
- Thickens the liquid so the soup becomes body-rich rather than watery.
- Cream
- Adds smoothness and mellows the seasoning for a rounder texture.
- Madeira
- Adds sweetness and aromatic depth to the finished soup.
The step that matters
Adding the flour to the butter. Flour must be cooked briefly in fat before liquid goes in; if it is added raw or left unstirred it clumps and tastes floury, so stir it smooth before adding cream and Madeira.
“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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