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 Salad
Ingredients
Directions
Prepare the trout
Shred the cold boiled lake trout into pieces about 1 inch long.
Make the dressing
In a bowl, mix the egg yolks with salad oil 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
In a serving dish, combine the trout with 6 tablespoons of vinegar and half of the dressing.
Spread the remaining dressing over the top and arrange blanched lettuce leaves around the edges.
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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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
- Lake trout
- Forms the main body and flesh of the salad.
- Egg yolks
- Emulsify the oil into the dressing, giving it a smooth, thick body.
- Salad oil
- Adds fat and richness, giving the dressing a silky texture.
- Vinegar
- Adds acidity that sharpens the dressing and balances the rich oil and yolks.
- Egg white
- Whipped into froth, it lightens the dressing with trapped air.
- Prepared mustard
- Helps stabilise the emulsion and adds a sharp, savoury bite.
The step that matters
Fold in the egg white just before serving. The frothed egg white holds its air only briefly. Folding it gently, and right before serving, keeps the dressing light; stirring hard or waiting lets it deflate and turn the dressing dense.
Swap the lettuce
How well each one fits the dish's main ingredients (lake trout, egg, pepper, mustard, sugar, vinegar):
- Horseradishfits better
- Capsicumfits about as well
- Cucumberfits about as well
- Lettucethe original
Fit is the average pairing score against lake trout, 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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