Name: Egg Salad
Ingredients: hard boiled eggs; chopped celery; lettuce leaves; mayonnaise or boiled dressing

Why it works: Celery and lettuce match in chemistry and in kitchens. They rank in the top 4% of all ingredient pairs, and 2,033 recipes mention both. Both carry nonanal, which smells fat, citrus. The science ↓

Egg Salad

Ingredients

hard boiled eggs
chopped celery
lettuce leaves
mayonnaise or boiled dressing

Directions

Chop hard boiled eggs into slices or quarters.
Place lettuce leaves on a serving plate.
Mix half of the chopped eggs with the celery and place in the center of the lettuce.
Cover the mixture with mayonnaise or boiled dressing.

Recipe from a historical cookbook (Internet Archive).

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.

Celery + lettucetop 4% of all pairs

Aroma overlapstrong

Mentioned together2,033 recipes

Shared aroma: nonanal (fat, citrus).
Egg + lettucetop 30% of all pairs

Aroma overlaplow

Mentioned together3,301 recipes

Shared aroma: nonanal (fat, citrus).
Egg + celerytop 34% of all pairs

Aroma overlaplow

Mentioned together6,334 recipes

Shared aroma: nonanal (fat, citrus).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

Flavor stand-ins for the celery

How well each one fits the dish's main ingredients (egg, lettuce):

Capersbetter flavor fit
Tarragonbetter flavor fit
Parsleybetter flavor fit
Celerythe original

Fit is the average pairing score against egg, lettuce. 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).