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 ↓
Stewed Kidneys
Ingredients
Directions
Prepare the kidneys
Boil the kidneys in water for 2 minutes, then drain and chill in cold water for 2 minutes.
Remove the sinews and cut the kidneys into small pieces or slices.
Make the stew
In a stewpan, melt the butter and add the kidneys, salt, and pepper. Stew for 5 minutes.
Prepare fresh mushrooms in butter and mix them with the kidneys.
Add the madeira, mustard, and chopped parsley to the mixture.
Thicken the sauce slightly with cornstarch.
Serve
Serve in a deep dish, garnished with croutons.
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.
-
Pepper + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Butter + mushroomtop 7% of all pairsSmell alikemoderateCooked together12,525 recipes
Shared aroma: trans-2-decenal (waxy, orange).
-
Mustard + parsleytop 8% of all pairsSmell alikestrongCooked together2,588 recipes
Shared aroma: trans-2-hexenal (green, leafy).
-
Pepper + mustardtop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Pepper + mushroomtop 11% of all pairsSmell alikemoderateCooked together13,580 recipes
Shared aroma: 2-nonenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Kidneys
- Form the dish's main body and provide its tender, meaty texture.
- Fresh butter
- Enriches the stew with fat and carries flavour through the dish.
- Fresh mushrooms
- Add moisture and savoury, earthy depth to the stew.
- Madeira
- Adds sweetness and aromatic depth to the sauce as it reduces.
- Cornstarch
- Thickens the sauce so it clings to the kidneys.
The step that matters
Stew the kidneys gently in butter. Kidneys turn tough and rubbery when overcooked, so a short, gentle stew over moderate heat keeps them tender.
Swap the mustard
How well each one fits the dish's main ingredients (veal, butter, pepper, mushroom, parsley):
- Carrotfits better
- Shallotfits better
- Capsicumfits better
- Mustardthe original
Fit is the average pairing score against veal, butter, pepper, mushroom, 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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