Name: Turtle Sauce
Ingredients: 1 pint beef gravy, thickened; ⅓ cup Madeira; juice and peel of 1 lime; a few leaves of basil; 1 clove garlic, minced; a few grains cayenne pepper; a little essence of anchovy

Why it works: Lime and pepper match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 3,491 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓

Turtle Sauce

Ingredients

Directions

Combine beef gravy, Madeira, lime juice and peel, basil, garlic, cayenne pepper, and essence of anchovy in a saucepan.
Simmer the mixture together for 5 minutes.
Strain the sauce through a tamis.

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.

Lime + peppertop 2% of all pairs

Smell alikestrong

Cooked together3,491 recipes

Shared aroma: beta-phellandrene (minty, terpene).
Lime + basiltop 2% of all pairs

Smell alikestrong

Cooked together505 recipes

Shared aroma: eucalyptol (eucalyptus, herbal).
Basil + garlictop 4% of all pairs

Smell alikemoderate

Cooked together4,805 recipes

Shared aroma: linalool (floral, citrus).
Basil + peppertop 4% of all pairs

Smell alikestrong

Cooked together5,294 recipes

Shared aroma: methyl cinnamate (strawberry).
Basil + clovetop 4% of all pairs

Smell alikestrong

Cooked together1,437 recipes

Shared aroma: estragole (anise, licorice).

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

Swap the clove

How well each one fits the dish's main ingredients (beef, lime, basil, garlic, pepper, anchovy):

Oreganofits better
Thymefits better
Parsleyfits better
Clovethe original

Fit is the average pairing score against beef, lime, basil, garlic, pepper, anchovy. Candidates are from the same food group and used in at least 100 recipes.