Why it works: Truffle and mushroom are a kitchen classic. They rank in the top 4% of all ingredient pairs, and cooks put them together in 1,900 recipes. Both carry 2,4-nonadienal, which smells fatty, green. The science ↓
Rognons Sautes a LA Lucullus - Kidneys Sauted
Ingredients
Directions
Prepare
Cut the kidneys in half lengthwise.
Sauté the kidneys in butter until cooked.
Fry the bread slices in butter until golden.
Make the sauce
Prepare Madeira sauce in a separate pan.
Add sliced truffles, mushrooms, cocks' combs, and cocks' kidneys to the sauce.
Serve
Pour the sauce over the sautéed kidneys and serve on the fried bread.
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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Truffle + mushroomtop 4% of all pairsSmell alikemoderateCooked together1,900 recipes
Shared aroma: 2,4-nonadienal (fatty, green).
-
Butter + breadtop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
-
Butter + mushroomtop 7% of all pairsSmell alikemoderateCooked together12,525 recipes
Shared aroma: trans-2-decenal (waxy, orange).
-
Bread + mushroomtop 10% of all pairsSmell alikemoderateCooked together2,536 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Butter + truffletop 11% of all pairsSmell alikemoderateCooked together2,209 recipes
Shared aroma: nonanal (fat, citrus).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Kidneys
- Provide the main meaty texture and rich flavour that the dish is built around.
- Butter
- Carries the heat for sautéing and fries the bread, adding richness and golden browning.
- Bread
- Gives a crisp, golden base that soaks up the sauce.
- Madeira sauce
- Adds a sweet, fortified-wine depth and a glossy coating over the kidneys.
- Truffles
- Add a strong earthy aroma that defines the sauce.
- Mushrooms
- Add moisture and savoury, umami depth to the sauce.
The step that matters
Sauté the kidneys in butter until cooked. Kidneys turn tough and rubbery when overcooked, so they should be cooked just through over a hot pan and not left to keep cooking while the sauce is finished.
“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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