Name: Oyster Cocktail
Ingredients: 3 or 4 oysters; ¼ teaspoon cayenne pepper; 1 tablespoon lemon juice; 2 tablespoons tomato sauce; a few drops of Tabasco sauce; ice; watercress

Why it works: Lemon and watercress match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 579 recipes. Both carry coumarin, which smells sweet, hay. The science ↓

Oyster Cocktail

Ingredients

Directions

Prepare

Remove the gills from the oysters and place them in a small lemonade glass.
Mix cayenne pepper, lemon juice, and tomato sauce in a bowl. Add a few drops of Tabasco sauce to the mixture.

Chill and serve

Let the glasses stand on ice for about 3 hours.
Serve the glasses on small plates with watercress around them.

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 their aromas overlap, and how often cooks already put them together.

Lemon + watercresstop 3% of all pairs

Smell alikestrong

Cooked together579 recipes

Shared aroma: coumarin (sweet, hay).
Pepper + lemontop 3% of all pairs

Smell alikestrong

Cooked together27,047 recipes

Shared aroma: trans-2-nonenal (cardboard, fatty).
Pepper + tomatotop 7% of all pairs

Smell alikemoderate

Cooked together17,923 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Pepper + watercresstop 10% of all pairs

Smell alikemoderate

Cooked together983 recipes

Shared aroma: coumarin (sweet, hay).
Lemon + tomatotop 11% of all pairs

Smell alikemoderate

Cooked together4,592 recipes

Shared aroma: 3-hexenal (apple, fruity).

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

What each ingredient does

Oysters: Provide the main body of the cocktail, served raw in their own liquor.
Lemon juice: Adds acidity that brightens the sauce and balances the tomato sauce.
Tomato sauce: Adds body, sweetness and color to the cocktail sauce.
Cayenne pepper: Adds heat that gives the sauce a sharp, warming bite.

Swap the tomato

How well each one fits the dish's main ingredients (oyster, pepper, lemon, sauce, watercress):

Horseradishfits better
Shallotfits better
Spinachfits better
Tomatothe original

Fit is the average pairing score against oyster, pepper, lemon, sauce, watercress. 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.