Name: Oyster Cocktail
Ingredients: shaved ice; 6 small oysters; 1 tablespoon tomato ketchup; 1 tablespoon lemon juice; 1 tablespoon Worcestershire sauce; 2 dashes Tabasco sauce; ¼ teaspoon salt; 1 teaspoon grated horseradish; cubes of crisp white celery

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

Prepare

Pack the bottom of a champagne glass with shaved ice.
Lay 6 small oysters on top of the ice.

Dress and serve

In a bowl, mix together the tomato ketchup, lemon juice, Worcestershire sauce, Tabasco sauce, salt, and grated horseradish.
Pour the dressing over the oysters.
Garnish with a few cubes of crisp white celery.

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 + celerytop 3% of all pairs

Smell alikestrong

Cooked together3,467 recipes

Shared aroma: beta-phellandrene (minty, terpene).
Tomato + celerytop 4% of all pairs

Smell alikemoderate

Cooked together3,377 recipes

Shared aroma: 4'-methylacetophenone (bitter almond).
Horseradish + celerytop 6% of all pairs

Smell alikemoderate

Cooked together835 recipes

Shared aroma: coumarin (sweet, hay).
Lemon + horseradishtop 9% of all pairs

Smell alikestrong

Cooked together1,155 recipes

Shared aroma: coumarin (sweet, hay).

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

What each ingredient does

Oysters: Provide the main seafood flavour and the tender, briny body of the cocktail.
Tomato ketchup: Adds sweetness, body and a red colour to the cocktail dressing.
Lemon juice: Adds acidity that brightens the dressing and balances the sweetness of the ketchup.
Horseradish: Adds sharp, pungent heat that gives the dressing its aroma and bite.

Swap the lemon

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

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

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