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 ↓
Drawn Butter
Ingredients
Directions
Make the drawn butter
Rub the butter into the flour until creamy, adding salt if needed.
Pour in the boiling water while stirring quickly, avoiding boiling to prevent oiliness.
To prevent boiling, place the saucepan in a larger pot of boiling water, cover, and shake frequently.
Finish the herb sauce
For a herb sauce, boil the herbs, chop finely, and add them to the drawn butter with the chopped hard‑boiled eggs before serving.
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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Flour + parsleytop 12% of all pairsSmell alikemoderateCooked together16,675 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + parsleytop 15% of all pairsSmell alikemoderateCooked together28,563 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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 fat and richness, forming the body of the sauce.
- Flour
- Thickens the butter and helps it emulsify into a creamy sauce.
- Hard-boiled eggs
- Add body and a mild, rich texture to the herb sauce.
The step that matters
Pour the boiling water while stirring quickly. Adding water too fast or letting the mixture boil can split the butter fat from the liquid, leaving the sauce oily. Stirring quickly and keeping the sauce just below boiling helps the butter stay emulsified and creamy.
Swap the parsley
How well each one fits the dish's main ingredients (butter, flour, egg):
- Capersfits better
- Nutmegfits better
- Jalapenofits about as well
- Parsleythe original
Fit is the average pairing score against butter, flour, egg. 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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