Why it works: Cucumber and vinegar are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 4,734 recipes. Both carry 2-methylbutyl acetate, which smells fruit. The science ↓
Sauce for Boiled Mutton
Ingredients
Directions
Make the sauce
In a pan, rub together the flour and butter or beef dripping.
Season with pepper and coarse sea salt to taste.
Place the pan over the fire.
Gradually stir in the boiling water or mutton broth.
Mix in the chopped pickled cucumbers or green nasturtium seeds and vinegar.
Stir well and let it boil for one minute.
Serve
Serve in a separate dish.
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.
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Cucumber + vinegartop 8% of all pairsSmell alikemoderateCooked together4,734 recipes
Shared aroma: 2-methylbutyl acetate (fruit).
-
Pepper + cucumbertop 12% of all pairsSmell alikemoderateCooked together5,991 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Flour + cucumbertop 13% of all pairsSmell alikemoderateCooked together2,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Pepper + vinegartop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and egg barely smell alike, yet cooks put them together in 106,462 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Flour
- Thickens the sauce as it cooks with the liquid, giving it body.
- Butter or beef dripping
- Adds fat and richness, and coats the flour so it blends smoothly.
- Vinegar
- Adds acidity that sharpens the flavour and cuts the richness of the fat.
- Pickled cucumbers or green nasturtium seeds
- Adds a tangy, briny bite and texture to the sauce.
The step that matters
Gradually stir in the boiling water or mutton broth. Adding the hot liquid slowly while stirring keeps the flour from clumping, so the sauce cooks into a smooth, even thickened base.
Swap the cucumber
How well each one fits the dish's main ingredients (flour, egg, pepper, mutton, vinegar):
- Shallotfits better
- Capsicumfits better
- Spinachfits about as well
- Cucumberthe original
Fit is the average pairing score against flour, egg, pepper, mutton, vinegar. 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.
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