Why it works: Mustard and lettuce match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,356 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Mayonnaise Fish
Ingredients
Directions
Prepare the dressing
Cut the cold boiled fish into pieces about 1 inch long.
In a bowl, mix the egg yolks with salad oil or butter until smooth.
Add salt, pepper, mustard, sugar, and vinegar to the mixture and beat until light.
Just before serving, gently fold in the frothed egg white.
Assemble and serve
Serve the fish in a glass dish.
Mix half the dressing with the fish.
Spread the remaining dressing on top.
Garnish with lettuce leaves.
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 + lettucetop 1% of all pairsSmell alikestrongCooked together1,356 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Mustard + vinegartop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Pepper + mustardtop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Pepper + lettucetop 9% of all pairsSmell alikemoderateCooked together4,037 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Fish + buttertop 12% of all pairsSmell alikemoderateCooked together4,488 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Egg yolks
- Emulsify the oil or butter into a smooth, thick dressing.
- Salad oil or butter
- Adds richness and a smooth, creamy texture to the dressing.
- Vinegar
- Adds acidity that sharpens the flavour and balances the richness.
- Raw egg white
- Whipped to a froth and folded in to lighten the dressing.
- Mustard
- Adds sharp flavour and helps stabilise the emulsion.
The step that matters
Folding in the egg white. Fold the frothed egg white in gently, just before serving. Beating it in or letting it stand deflates the foam, so the dressing loses its lightness and becomes dense.
Swap the lettuce
How well each one fits the dish's main ingredients (fish, egg, butter, pepper, mustard, sugar, vinegar):
- Horseradishfits better
- Capsicumfits better
- Shallotfits about as well
- Lettucethe original
Fit is the average pairing score against fish, egg, butter, pepper, mustard, sugar, vinegar. 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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