Name: Oyster Cocktails in Pepper
Ingredients: 2 green sweet peppers; 2 red sweet peppers; 4 tablespoons tomato ketchup; 2 tablespoons lemon juice; dash of Tabasco sauce; small fat oysters

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 Cocktails in Pepper

Ingredients

Directions

Prepare the peppers

Cut the stem end off the green and red sweet peppers.
Remove the seeds from the peppers.
Stand the peppers in a dish of cracked ice.

Assemble and serve

In a bowl, mix together the tomato ketchup, lemon juice, and Tabasco sauce.
Fill each pepper with small fat oysters.
Serve.

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).
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).
Tomato + lemontop 11% of all pairs

Smell alikemoderate

Cooked together4,592 recipes

Shared aroma: 3-hexenal (apple, fruity).
Sauce + oystertop 14% of all pairs

Smell alikemoderate

Cooked together2,233 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

Sweet peppers: Hollow cups that hold the oysters and give a crisp, fresh contrast.
Tomato ketchup: Adds sweetness and body to the sauce that coats the oysters.
Lemon juice: Adds acidity that brightens the sauce and balances the sweetness.
Oysters: The main filling, offering a delicate briny flavor and soft texture.

Swap the lemon

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

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

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