Why it works: Sauce and anchovy are a kitchen classic. They rank in the top 2% of all ingredient pairs, and cooks put them together in 2,057 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓
Robert Sauce
Ingredients
Directions
Make the sauce
Dice the onions and fry them in butter for 15 minutes.
Add the wine and boil gently for 4 minutes.
Stir in the brown sauce and glaze, then boil gently for 20 minutes, skimming off the butter as it rises.
Finish and serve
Just before serving, stir in the mustard and season with pepper and salt to taste.
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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Sauce + anchovytop 2% of all pairsSmell alikemoderateCooked together2,057 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Onion + mustardtop 6% of all pairsSmell alikestrongCooked together9,259 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Butter + white winetop 9% of all pairsSmell alikemoderateCooked together5,083 recipes
Shared aroma: ethyl octanoate (fruity, wine).
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Onion + white winetop 12% of all pairsSmell alikemoderateCooked together4,535 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Butter + anchovytop 13% of all pairsSmell alikemoderateCooked together3,697 recipes
Shared aroma: decanal (soap, orange peel).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Onions
- Soften and sweeten as they fry, building the base flavour of the sauce.
- Butter
- Fat for frying the onions, carrying flavour and adding richness to the sauce.
- French white wine
- Adds acidity and aromatic depth as it reduces into the sauce.
- Brown sauce
- Provides the main body, colour and savoury flavour of the sauce.
- French mustard
- Adds sharp, pungent flavour that brightens the rich sauce.
The step that matters
Skimming off the butter as it rises. Butter that rises and is left in the sauce can make it greasy and split its texture. Removing it as it surfaces keeps the sauce smooth and clean-tasting.
Swap the mustard
How well each one fits the dish's main ingredients (onion, butter, white wine, sauce, anchovy):
- Shallotfits better
- Chivefits about as well
- Potatofits about as well
- Mustardthe original
Fit is the average pairing score against onion, butter, white wine, sauce, anchovy. 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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