Name: Oyster Soup
Ingredients: lean veal or mutton broth; essence of celery; oysters with their liquor; pepper; coarse sea salt; slices of toast

Why it works: Celery and pepper match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and 16,012 recipes mention both. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Oyster Soup

Ingredients

Directions

Make a broth using lean veal or mutton.
Simmer the broth with essence of celery.
Strain the broth and return it to the heat.
When boiling, add the oysters with their liquor, pepper, and coarse sea salt.
Serve immediately over small squares of toast.

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 + peppertop 5% of all pairs

Aroma overlapstrong

Mentioned together16,012 recipes

Shared aroma: 4'-methylacetophenone (bitter almond).
Veal + celerytop 18% of all pairs

Aroma overlaplow

Mentioned together2,336 recipes

Shared aroma: guaiacol (smoky, sweet).
Veal + oystertop 19% of all pairs

Aroma overlaplow

Mentioned together988 recipes

Shared aroma: 2,6-nonadienal (cucumber, green).
Veal + peppertop 19% of all pairs

Aroma overlapmoderate

Mentioned together10,049 recipes

Shared aroma: 2-nonenal (fatty, green).
Celery + oystertop 20% of all pairs

Aroma overlaplow

Mentioned together1,131 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 (veal, oyster, pepper):

Parsleyabout as good a flavor fit
Sageabout as good a flavor fit
Celerythe original
Marjoramabout as good a flavor fit

Fit is the average pairing score against veal, oyster, pepper. 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).