Why it works: Potato and watercress work together. They rank in the top 4% of all ingredient pairs, and 170 recipes mention both. Both carry coumarin, which smells sweet, hay. The science ↓
Delicious Egg Salad
Ingredients
Directions
Prepare
Cut the boiled potatoes into tiny cubes.
Pour the hot vinegar over the potatoes and add the melted butter. Let it cool.
Carefully remove the yolks from the eggs and chop the whites finely.
Assemble
Arrange watercress or lettuce on a platter.
Make nests with the chopped egg whites and place a yolk in each nest.
Dress with mayonnaise and garnish with the drained potato cubes.
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 aroma chemistry they share, and how many recipes mention both.
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Potato + watercresstop 4% of all pairsAroma overlapmoderateMentioned together170 recipes
Shared aroma: coumarin (sweet, hay).
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Potato + buttertop 13% of all pairsAroma overlapmoderateMentioned together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Vinegar + watercresstop 15% of all pairsAroma overlapmoderateMentioned together465 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + eggtop 17% of all pairsAroma overlapmoderateMentioned together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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Potato + vinegartop 20% of all pairsAroma overlapmoderateMentioned together1,608 recipes
Shared aroma: beta-damascenone (apple, rose).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Chopped whites form the nests, while the yolks add richness and colour.
- Boiled potatoes
- Cubes add bulk and a soft, starchy body to the salad.
- Hot vinegar
- Soaks into the warm potatoes, adding a sharp acidity that brightens the dish.
- Butter
- Adds fat and a rounded richness to the potatoes.
- Mayonnaise
- Adds moisture and creaminess that binds the salad together.
The step that matters
Carefully remove the yolks from the eggs. If the yolks break, their fat spills into the whites and makes the chopped whites soggy, so the egg-white nests may not hold their shape and the yolk may not sit neatly in each nest.
Flavor stand-ins for the potato
How well each one fits the dish's main ingredients (vinegar, butter, egg, watercress):
- Shallotbetter flavor fit
- Horseradishbetter flavor fit
- Chivebetter flavor fit
- Potatothe original
Fit is the average pairing score against vinegar, butter, egg, watercress. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“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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