Why it works: Butter and flour are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Anchovy Sauce
Ingredients
Directions
Remove the bones from the anchovies and mash them with the butter until smooth.
Add the vinegar and water, then bring to a boil.
Thicken the sauce by mixing the flour with a little cold water, then add it to the boiling mixture.
Strain the sauce through a sieve and serve hot.
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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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + vinegartop 23% of all pairsSmell alikemoderateCooked together13,513 recipes
Shared aroma: isoamyl acetate (banana, pear).
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Vinegar + flourtop 27% of all pairsSmell alikemoderateCooked together8,652 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour barely smell alike, yet cooks put them together in 124,287 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
- Anchovies
- Provide the salty, savoury flavour that defines the sauce.
- Butter
- Adds richness and a smooth, silky body when mashed with the anchovies.
- Flour
- Thickens the liquid as it heats, giving the sauce body.
- Vinegar
- Adds a sharp acidity that brightens the rich, salty flavours.
The step that matters
Adding the flour mixture to the boiling liquid. Flour must be mixed smoothly with cold water first, then stirred into boiling liquid. Adding dry flour directly causes lumps, and the starch only thickens fully once the mixture is hot enough to gelatinise it.
“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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