Name: Oyster Cocktail
Ingredients: 4 small oysters; 1 tablespoon oyster liquor; 1 tablespoon lemon juice; 1 tablespoon tomato ketchup; a dash of Tabasco sauce; ⅛ teaspoon salt; a pinch of pepper; finely shaved ice; 1 teaspoon horseradish, finely grated

Why it works: Ketchup and sauce match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,099 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓

Oyster Cocktail

Ingredients

Directions

Place the oysters in a glass.
Add the oyster liquor, lemon juice, tomato ketchup, Tabasco sauce, salt, and pepper.
Top with finely shaved ice and grated horseradish.
Serve with an oyster fork.

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.

Ketchup + saucetop 1% of all pairs

Smell alikestrong

Cooked together1,099 recipes

Shared aroma: ethanol (alcoholic, ethereal).
Lemon + peppertop 3% of all pairs

Smell alikestrong

Cooked together27,047 recipes

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

Smell alikemoderate

Cooked together17,923 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Lemon + horseradishtop 9% of all pairs

Smell alikestrong

Cooked together1,155 recipes

Shared aroma: coumarin (sweet, hay).
Ketchup + horseradishtop 10% of all pairs

Smell alikemoderate

Cooked together223 recipes

Shared aroma: ethanol (alcoholic, ethereal).

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 and briny flavour of the cocktail.
Tomato ketchup: Adds sweetness and acidity that balance the sharp seasonings.
Horseradish: Adds pungent heat that cuts through the richness of the oysters.
Lemon juice: Adds acidity that brightens the oyster flavour.

Swap the lemon

How well each one fits the dish's main ingredients (oyster, tomato, ketchup, sauce, pepper, horseradish):

Limefits about as well
Lemonthe original
Avocadofits about as well
Cherryfits less well

Fit is the average pairing score against oyster, tomato, ketchup, sauce, pepper, horseradish. 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.