Why it works: Parsley and shallot match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 3,737 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓
Pork Kidney, Stewed
Ingredients
Directions
Prepare the kidneys
Remove the skin from the kidneys and slice them into ¼‑inch thick pieces.
Season the slices with salt and pepper, then sprinkle with parsley and shallot.
Cook and sauce
In a skillet, melt the butter and fry the kidney slices until lightly browned.
Stir in the flour and mix well in the pan.
Gradually add the gravy or water and the light wine, bringing the sauce to a boil.
Remove the kidneys from the pan.
Mix the chopped parsley into the sauce and let it boil for 2 more minutes.
Pour the sauce over the kidneys and serve hot.
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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Parsley + shallottop 1% of all pairsSmell alikestrongCooked together3,737 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Pepper + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Shallot + flourtop 6% of all pairsSmell alikestrongCooked together2,081 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Pepper + shallottop 11% of all pairsSmell alikemoderateCooked together5,898 recipes
Shared aroma: 2,4-decadienal (seaweed).
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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
- Pork kidneys
- Form the main body of the dish, becoming tender when cooked briefly over direct heat.
- Butter
- Adds fat for frying, promoting browning on the kidney slices and rich flavour.
- Flour
- Thickens the pan juices into a smooth sauce when combined with the liquid.
- Light wine
- Adds acidity and aroma, deglazing the pan and balancing the richness of the sauce.
The step that matters
Fry the kidney slices until lightly browned. Kidneys cook quickly and turn tough and rubbery if overcooked. Browning them briefly in hot butter gives flavour while keeping the interior tender.
Swap the parsley
How well each one fits the dish's main ingredients (pork, pepper, shallot, butter, flour, wine):
- Thymefits better
- Capersfits about as well
- Tarragonfits about as well
- Parsleythe original
Fit is the average pairing score against pork, pepper, shallot, butter, flour, wine. 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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