Why it works: Mustard and vinegar are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 14,067 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Prepared Mustard
Ingredients
Directions
In a bowl, mix the mustard, flour, sugar, and salt.
Gradually add water until the mixture is thin.
Cook over medium heat, stirring, until thick.
Remove from heat and thin with vinegar to desired consistency.
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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Mustard + vinegartop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Mustard + flourtop 13% of all pairsSmell alikemoderateCooked together5,066 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Sugar + vinegartop 15% of all pairsSmell alikemoderateCooked together20,806 recipes
Shared aroma: beta-damascenone (apple, rose).
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Mustard + sugartop 19% of all pairsSmell alikemoderateCooked together8,424 recipes
Shared aroma: guaiacol (smoky, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Mustard
- Provides the sharp, pungent flavor that defines the sauce.
- Flour
- Thickens the sauce as it cooks, giving it body.
- Sugar
- Balances the sharpness of the mustard and vinegar with sweetness.
- Vinegar
- Adds acidity and brightness, and is used to adjust final thinness.
The step that matters
Cooking until thick. Flour thickens only when heated enough for its starch to swell, so the sauce must be stirred over medium heat until it visibly thickens before the vinegar is added.
Swap the mustard
How well each one fits the dish's main ingredients (flour, sugar, vinegar):
- Mustardthe original
- Arrowrootfits about as well
- Shallotfits about as well
- Beetrootfits about as well
Fit is the average pairing score against flour, sugar, 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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