Why it works: Lettuce and radish share more aroma than cooks usually use. They rank in the top 2% of all ingredient pairs, and cooks put them together in 58 recipes. Both carry trans-2-hexenal, which smells green, leafy. The science ↓
Pish and Egg Sandwiches
Ingredients
Directions
Prepare
Spread butter on one side of each slice of rye bread.
Place a lettuce leaf on one slice of bread.
Assemble and serve
Mix the flaked fish and mashed eggs with mayonnaise dressing.
Spread the fish and egg mixture on top of the lettuce.
Top with the second slice of bread, buttered side down.
Cut the sandwich into an egg shape.
Garnish with radish.
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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Lettuce + radishtop 2% of all pairsSmell alikestrongCooked together58 recipes
Shared aroma: trans-2-hexenal (green, leafy).
-
Rye + lettucetop 5% of all pairsSmell alikestrongCooked together23 recipes
Shared aroma: coumarin (sweet, hay).
-
Bread + fishtop 10% of all pairsSmell alikemoderateCooked together1,668 recipes
Shared aroma: 2-undecenal (sweet).
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Rye + breadtop 13% of all pairsSmell alikemoderateCooked together59 recipes
Shared aroma: ethyl octanoate (fruity, wine).
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Bread + eggtop 13% of all pairsSmell alikemoderateCooked together22,662 recipes
Shared aroma: (e)-2-octenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Rye bread
- Provides the sandwich base and holds the filling together.
- Fish
- Supplies the main protein and flavour of the filling.
- Hard boiled eggs
- Add richness and a soft, creamy texture to the filling.
- Mayonnaise dressing
- Binds the filling and adds moisture and fat for a creamy texture.
Swap the radish
How well each one fits the dish's main ingredients (rye, bread, lettuce, fish, egg):
- Beetrootfits better
- Mustardfits better
- Leekfits better
- Radishthe original
Fit is the average pairing score against rye, bread, lettuce, fish, egg. 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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