Name: Oyster Soup, a LA Plessy
Ingredients: oysters; water; butter; onion; celery; bay leaf; salt; pepper; cream

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, a LA Plessy

Ingredients

Directions

Shuck the oysters and reserve the liquor.
In a pot, melt butter and sauté chopped onion and celery until soft.
Add water, bay leaf, salt, and pepper; bring to a boil.
Add the oyster liquor and oysters; simmer for 5 minutes.
Stir in cream and heat through without boiling.
Serve hot.

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).
Onion + celerytop 7% of all pairs

Aroma overlapmoderate

Mentioned together18,518 recipes

Shared aroma: guaiacol (smoky, sweet).
Butter + creamtop 8% of all pairs

Aroma overlapmoderate

Mentioned together41,516 recipes

Shared aroma: delta-dodecalactone (sweet, creamy).
Onion + peppertop 11% of all pairs

Aroma overlapmoderate

Mentioned together68,474 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Oyster + buttertop 12% of all pairs

Aroma overlapmoderate

Mentioned together8,184 recipes

Shared aroma: 2,6-nonadienal (cucumber, green).

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

Flavor stand-ins for the onion

How well each one fits the dish's main ingredients (oyster, butter, celery, pepper, cream):

Potatobetter flavor fit
Spinachabout as good a flavor fit
Carrotabout as good a flavor fit
Onionthe original

Fit is the average pairing score against oyster, butter, celery, pepper, cream. 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).