Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Crayfish a LA Bordelaise
Ingredients
Directions
Prepare the crayfish
Soak the crayfish in a pan with water and milk for 2 hours.
Drain the crayfish on a strainer.
Make the sauce
In a pot, combine the mirepoix of vegetables, Bordeaux wine, parsley, ham, cognac, Madeira, and salt.
Cover and boil for 5-6 minutes.
Add the crayfish and cook for 10 minutes.
Strain the liquid through a sieve and reduce it by half.
Gradually stir in the velouté sauce.
Strain the sauce through a cloth into another pan.
Stir in the butter, then add the chopped parsley.
Serve
Remove the small claws and arrange them in the center of a dish with the bodies around, garnishing with parsley sprigs.
Serve the sauce separately.
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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Crayfish + saucetop 10% of all pairsSmell alikemoderateCooked together195 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Crayfish + buttertop 11% of all pairsSmell alikemoderateCooked together343 recipes
Shared aroma: anethole (sweet, anise).
-
Wine + buttertop 13% of all pairsSmell alikemoderateCooked together8,645 recipes
Shared aroma: 2-furfurylthiol (coffee, roasted).
-
Sauce + buttertop 15% of all pairsSmell alikelowCooked together15,338 recipes
Shared aroma: ethanol (alcoholic, ethereal).
Sauce and butter barely smell alike, yet cooks put them together in 15,338 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
- Crayfish
- Provide the main shellfish flavour and the meat served in the dish.
- Butter
- Adds richness and a glossy finish to the finished sauce.
- Velouté sauce
- Thickens the cooking liquid into a smooth, body-rich sauce.
- Bordeaux wine
- Adds acidity and depth to the broth that flavours the crayfish.
- Madeira
- Adds sweetness and aromatic depth to the sauce.
The step that matters
Reducing the strained cooking liquid by half. Reduction concentrates the flavour of the wine, spirits and vegetables. Reducing too little leaves the sauce thin and weak; reducing too far can make it salty and overly intense once the velouté is added.
Swap the parsley
How well each one fits the dish's main ingredients (crayfish, milk, wine, ham, sauce, butter):
- Tarragonfits about as well
- Capersfits about as well
- Nutmegfits about as well
- Parsleythe original
Fit is the average pairing score against crayfish, milk, wine, ham, sauce, butter. 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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