Why it works: Parsley and celery match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 6,810 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Stewed Kidney
Ingredients
Directions
The book gives no cooking times; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Prepare the kidney
Soak the beef kidney in cold water for 1 hour.
Cut the kidney into small pieces, discarding all fat and gristle, and place each piece in cold water.
Wash the kidney pieces well and put them in a saucepan with 1 pint of cold water.
Stew
Add the sliced onion, bay leaf, parsley, celery seed (or piece of celery), and clove.
Bring to a boil, skim off any foam, then cover and simmer slowly for 3 hours.
Transfer the kidney to a dish.
Make the sauce and serve
The next morning, make a sauce by melting 1 tablespoon of butter with 1 tablespoon of flour and heating thoroughly.
Season the sauce with salt, pepper, Worcestershire sauce, and lemon juice, then serve very 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.
-
Parsley + celerytop 1% of all pairsSmell alikestrongCooked together6,810 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Parsley + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Clove + peppertop 5% of all pairsSmell alikestrongCooked together17,451 recipes
Shared aroma: ethyl octanoate (fruity, wine).
-
Celery + peppertop 5% of all pairsSmell alikestrongCooked together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Celery + clovetop 6% of all pairsSmell alikestrongCooked together4,668 recipes
Shared aroma: gamma-decalactone (peach, creamy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Beef kidney
- Forms the main body of the dish, becoming tender during long, slow simmering.
- Butter
- Melts with the flour to form a roux that gives the sauce body and richness.
- Flour
- Thickens the butter into a roux, giving the sauce its body.
The step that matters
Simmering slowly for 3 hours. A rolling boil toughens meat proteins, while a gentle simmer lets connective tissue break down slowly, so the kidney stays tender. Skimming foam first keeps the broth clear.
Swap the clove
How well each one fits the dish's main ingredients (beef, onion, parsley, celery, butter, flour, pepper):
- Thymefits better
- Tarragonfits better
- Marjoramfits better
- Clovethe original
Fit is the average pairing score against beef, onion, parsley, celery, butter, flour, 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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