Why it works: Pepper and lemon match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and 27,039 recipes mention both. Both carry 2-nonenal, which smells fatty, green. The science ↓
The recipe
Ingredients
Contains: milk (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Prepare and grill
Skewer the kidneys and brush them with butter.
Place them on a grill close to the fire and cook quickly, turning every minute.
When half done, season with salt, pepper, and cayenne.
Make the sauce and serve
If using, mix chopped gherkins or chilies, or piccalilli with its liquid on a hot plate.
Add lemon juice and a pat of butter to the mixture.
Remove the kidneys from the skewer and coat them in the mixture.
Serve immediately.
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 aroma chemistry they share, and how many recipes mention both.
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Pepper + lemontop 2% of all pairsAroma overlapstrongMentioned together27,039 recipes
Shared aroma: 2-nonenal (fatty, green).
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Butter + lemontop 8% of all pairsAroma overlapstrongMentioned together41,197 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Butter + peppertop 11% of all pairsAroma overlapstrongMentioned together85,512 recipes
Shared aroma: ethyl octanoate (fruity, wine).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Kidneys
- Form the main body of the dish; cooking them quickly keeps the inside tender.
- Butter
- Adds richness and helps the surface brown while the kidneys grill.
- Cayenne pepper
- Adds heat that seasons the surface of the kidneys as they cook.
- Lemon juice
- Adds acidity that brightens the buttery mixture coating the kidneys.
The step that matters
Turning the kidneys on the grill. Turning every minute over a fire close to the heat cooks the outside quickly, browning it while the centre stays tender. Letting one side sit too long can scorch it and leave the inside unevenly cooked.
“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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