Why it works: Mustard and watercress match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 293 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Salad Sandwiches
Ingredients
Directions
Prepare the bread as usual.
Wash and dry the cress and watercress, then place them in a bowl with mayonnaise sauce.
Spread the salad mixture between slices of bread when ready to serve.
For another method, butter thin slices of bread.
Just before serving, place a little salad tossed in mayonnaise between two slices.
Press the sandwiches together, cut into small pieces, and serve.
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 + watercresstop 1% of all pairsSmell alikestrongCooked together293 recipes
Shared aroma: coumarin (sweet, hay).
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Bread + buttertop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Mustard + saucetop 13% of all pairsSmell alikemoderateCooked together2,120 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Sauce + buttertop 15% of all pairsSmell alikelowCooked together15,338 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Bread + watercresstop 15% of all pairsSmell alikemoderateCooked together307 recipes
Shared aroma: coumarin (sweet, hay).
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
Swap the mustard
How well each one fits the dish's main ingredients (bread, watercress, sauce, butter):
- Shallotfits better
- Horseradishfits better
- Chivefits about as well
- Mustardthe original
Fit is the average pairing score against bread, watercress, sauce, butter. Candidates are from the same food group and used in at least 100 recipes.
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