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
Prepare the fish
Cut the fish into 1-inch pieces.
Make the dressing
In a bowl, mix the egg yolks with salad oil until smooth.
Add salt, pepper, mustard, sugar, and vinegar; beat until light.
Just before serving, gently stir in the frothed egg white.
Assemble and serve
Pour half the dressing over the fish and spread the rest on top.
Arrange blanched lettuce leaves around the 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 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).
-
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
- Emulsify with the oil to form a smooth, thick base for the dressing.
- Salad oil
- Provides fat that gives the dressing its rich, creamy texture.
- Vinegar
- Adds acidity that sharpens the flavor and cuts the richness of the oil.
- Egg white
- Whipped to a froth, it lightens the dressing and adds airiness.
- Mustard
- Contributes sharp flavor and helps stabilize the emulsion.
The step that matters
Gently stir in the frothed egg white. Folding rather than stirring keeps the whipped egg white airy; vigorous mixing deflates the foam and leaves the dressing dense and flat.
Swap the lettuce
How well each one fits the dish's main ingredients (egg, pepper, mustard, sugar, vinegar):
- Horseradishfits better
- Capsicumfits better
- Shallotfits about as well
- Lettucethe original
Fit is the average pairing score against egg, 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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