Why it works: Mustard and endive match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 121 recipes. Both carry trans-2-hexenal, which smells green, leafy. The science ↓
Sandwiches a LA Chasseur
Ingredients
Directions
Toast the slices of white bread lightly on both sides.
Split and butter the toasted bread.
Layer thin slices of roast game between the slices of bread.
Mix a little French mustard into the tartare sauce and spread it over the meat.
Press the sandwiches together.
Pack the sandwiches in waterproof butter paper to keep them moist.
Wrap the washed and dried endive and small cress in butter paper and pack it with the sandwiches.
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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Mustard + endivetop 1% of all pairsSmell alikestrongCooked together121 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Bread + buttertop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Sauce + mustardtop 13% of all pairsSmell alikemoderateCooked together2,120 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Butter + saucetop 15% of all pairsSmell alikelowCooked together15,338 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Bread + mustardtop 16% of all pairsSmell alikemoderateCooked together1,484 recipes
Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).
Butter and sauce 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
Swap the endive
How well each one fits the dish's main ingredients (bread, butter, sauce, mustard):
- Shallotfits better
- Horseradishfits better
- Lettucefits better
- Endivethe original
Fit is the average pairing score against bread, butter, sauce, mustard. Candidates are from the same food group and used in at least 100 recipes.
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