Why it works: Mustard and lettuce match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and 1,356 recipes mention both. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
The recipe
Ingredients
Contains: egg, milk (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Make the dressing
In a bowl, combine egg yolks, mustard, salt, sugar, vinegar, cream, and celery seed.
Prepare
Slice the cold fowl or delicate meat and marinate in the mixture for 2‑3 hours.
Wash the lettuce and chill it on ice.
Assemble and serve
Just before serving, layer the marinated meat and lettuce in a serving dish, finishing with lettuce on top.
Pour the dressing over the entire dish.
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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Mustard + lettucetop 2% of all pairsAroma overlapstrongMentioned together1,356 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Mustard + celerytop 3% of all pairsAroma overlapmoderateMentioned together4,160 recipes
Shared aroma: guaiacol (smoky, sweet).
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Celery + lettucetop 3% of all pairsAroma overlapstrongMentioned together2,033 recipes
Shared aroma: nonanal (fat, citrus).
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Mustard + vinegartop 4% of all pairsAroma overlaplowMentioned together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Mustard + meattop 5% of all pairsAroma overlapmoderateMentioned together855 recipes
Shared aroma: guaiacol (smoky, sweet).
Mustard and vinegar share little aroma chemistry, yet 14,067 recipes mention both: they likely 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
- Egg yolks
- Emulsify with the cream and mustard to give the dressing body and a rich, smooth texture.
- Mustard
- Adds sharp flavour and helps bind the dressing emulsion.
- Vinegar
- Adds acidity that brightens the dressing and tenderises the meat as it marinates.
- Rich cream
- Adds fat and moisture, softening the dressing and mellowing the sharpness of vinegar and mustard.
- Cold fowl or other delicate meat
- Serves as the main protein, absorbing flavour from the marinade while staying tender.
The step that matters
Marinating the sliced meat. Acid in the vinegar works on the meat's surface and can make delicate meat mushy if left too long. Marinating for the stated 2-3 hours and assembling just before serving keeps the texture firm and the lettuce crisp.
Flavor stand-ins for the celery
How well each one fits the dish's main ingredients (egg, mustard, sugar, vinegar, cream, meat, lettuce):
- Tarragonabout as good a flavor fit
- Celerythe original
- Capersabout as good a flavor fit
- Nutmegabout as good a flavor fit
Fit is the average pairing score against egg, mustard, sugar, vinegar, cream, meat, lettuce. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“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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