Why it works: Pistachio and nutmeg share more aroma than cooks usually use. They rank in the top 3% of all ingredient pairs, and cooks put them together in 80 recipes. Both carry alpha-pinene, which smells pine, turpentine. The science ↓
Lamb's Stones, and Sweetbreads
Ingredients
Directions
Prepare
Blanch the lamb stones, then parboil them.
Slice the lamb stones.
Cut the sweetbreads in half if thick.
Cook
Fry the egg yolks, pistachio kernels, and oysters until golden brown.
Pour off the butter.
Add gravy, lamb stones, asparagus tops, nutmeg, pepper, salt, and shallots.
Stew for 10 minutes.
Beat the yolks of 6 eggs with a little white wine and mace.
Finish and serve
Stir the egg mixture into the mixture until thick.
Serve garnished with 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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Pistachio + nutmegtop 3% of all pairsSmell alikestrongCooked together80 recipes
Shared aroma: alpha-pinene (pine, turpentine).
-
Nutmeg + peppertop 7% of all pairsSmell alikestrongCooked together13,015 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Lamb + asparagustop 9% of all pairsSmell alikemoderateCooked together207 recipes
Shared aroma: 2,4-nonadienal (fatty, green).
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Pistachio + asparagustop 9% of all pairsSmell alikestrongCooked together15 recipes
Shared aroma: coumarin (sweet, hay).
-
Asparagus + peppertop 10% of all pairsSmell alikemoderateCooked together1,968 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
- Lamb stones
- Provides the main meaty bite, which becomes tender after blanching and parboiling.
- Sweetbreads
- Adds a soft, creamy texture that contrasts with the crisp fried elements.
- Egg yolks
- Thicken the sauce as they set when stirred into the hot mixture, adding richness.
- Gravy
- Forms the liquid base that the other ingredients stew in, adding savory depth.
- Oysters
- Fry to a golden brown, adding a briny, savory note and a crisp edge.
- Asparagus tops
- Add a fresh, green flavour and a tender-crisp texture to the stew.
The step that matters
Stirring the egg mixture into the hot mixture until thick. Egg proteins thicken the sauce as they gently set. If the mixture is too hot or the eggs go in too fast, the yolks scramble and the sauce turns grainy instead of smooth.
Swap the pistachio
How well each one fits the dish's main ingredients (lamb, egg, oyster, butter, asparagus, nutmeg, pepper):
- Beansfits better
- Almondfits better
- Walnutfits better
- Pistachiothe original
Fit is the average pairing score against lamb, egg, oyster, butter, asparagus, nutmeg, pepper. 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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