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 ↓
Fish Mayonnaise
Ingredients
Directions
Make the dressing
Rub the yolks of the hard-boiled eggs to a paste with the salad oil.
Add salt, pepper, mustard, sugar, and vinegar, then beat until light.
Just before serving, fold in the beaten egg white.
Assemble and serve
Serve the fish in a glass dish with half the dressing stirred in.
Spread the remaining dressing over the top and garnish with lettuce.
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).
-
Pepper + mustardtop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Pepper + lettucetop 9% of all pairsSmell alikemoderateCooked together4,037 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Pepper + vinegartop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Hard-boiled egg yolks
- Mashed with oil to form a smooth, rich base for the dressing.
- Salad oil
- Provides fat that makes the dressing creamy and smooth.
- Egg white
- Beaten stiff and folded in, it lightens the dressing with trapped air.
- Vinegar
- Adds acidity that sharpens the flavor and balances the richness of the oil.
- Mustard
- Adds sharp flavor and helps emulsify the dressing.
- Cold boiled fish
- The main component, dressed and served with the sauce.
The step that matters
Just before serving, fold in the beaten egg white. Beaten egg white loses its air if it sits or is overmixed, so folding it in gently right before serving keeps the dressing light instead of flat and dense.
Swap the lettuce
How well each one fits the dish's main ingredients (egg, pepper, mustard, sugar, vinegar, fish):
- Horseradishfits better
- Capsicumfits about as well
- Cucumberfits about as well
- Lettucethe original
Fit is the average pairing score against egg, pepper, mustard, sugar, vinegar, fish. 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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