Why it works: Flour and horseradish match in chemistry and in kitchens. They rank in the top 10% of all ingredient pairs, and cooks put them together in 743 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
To Make Dutch Sauce
Ingredients
Directions
Make the base
Melt the butter in a saucepan.
Add water and a little flour, stirring to combine.
Finish and serve
Mix in the chopped anchovies, vinegar, and horseradish.
Boil the mixture together and serve immediately.
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.
Photo for illustrative purposes only · Contact us to use it
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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Flour + horseradishtop 10% of all pairsSmell alikestrongCooked together743 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Vinegar + horseradishtop 12% of all pairsSmell alikemoderateCooked together2,609 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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Flour + vinegartop 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
- Butter
- Provides richness and a smooth, rounded body to the sauce.
- Flour
- Thickens the liquid so the sauce coats the back of a spoon.
- Anchovies
- Adds a savory depth that gives the sauce its character.
- Vinegar
- Adds acidity that sharpens the flavor and cuts through the butter.
- Horseradish
- Contributes a sharp, pungent aroma and bite.
The step that matters
Add water and flour together, stirring to combine. Flour added to hot fat can clump if it is not fully stirred into the liquid. Blending it smoothly into the water first keeps the sauce even and lump-free.
Swap the horseradish
How well each one fits the dish's main ingredients (butter, flour, vinegar):
- Shallotfits better
- Mustardfits better
- Chivefits better
- Horseradishthe original
Fit is the average pairing score against butter, flour, 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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