Why it works: Pepper and parsley match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Sweetbreads
Ingredients
Directions
Prepare
Blanch the sweetbreads and soak them in cold water for a while.
Make the stew
In a stew-pan, combine sweetbreads, broth, pepper, salt, onions, mace, butter, and flour.
Stew for half an hour.
Add boiled asparagus-tops to the stew.
Finish with the egg mixture
In a bowl, beat the eggs with cream, parsley, and nutmeg.
Stir in the egg mixture.
Heat gently without boiling, stirring continuously to prevent curdling.
Optionally, add boiled young French beans or peas for color.
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 + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Onion + parsleytop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Pepper + oniontop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 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
- Sweetbreads
- Provide the tender, delicate meat that forms the body of the stew.
- Eggs
- Thicken the sauce gently into a creamy custard-like texture when heated.
- Cream
- Adds richness and moisture, softening the texture of the finished sauce.
- Flour
- Thickens the stew liquid as it cooks with the butter and broth.
- Butter
- Adds fat and richness, carrying flavour through the stew.
The step that matters
Heating the egg mixture. Eggs thicken at around 160°F to 180°F and curdle if overheated or boiled. Heating gently while stirring constantly keeps the sauce smooth and creamy.
Swap the mace
How well each one fits the dish's main ingredients (pepper, onion, butter, flour, egg, cream, parsley):
- Nutmegfits better
- Capersfits better
- Tarragonfits better
- Macethe original
Fit is the average pairing score against pepper, onion, butter, flour, egg, cream, parsley. 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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