Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓
Butteb Sauce
Ingredients
Directions
Make the base
Mix the flour with the melted butter.
Dilute with boiling water and add the coarse sea salt.
Stir briskly to combine, ensuring it does not boil.
Enrich and finish
Add the egg yolks, cream, and lemon juice.
Rub the mixture through a fine sieve.
Finish the sauce by stirring in the fresh butter off the heat.
Ensure the sauce does not boil after thickening.
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 + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Flour + lemontop 17% of all pairsSmell alikemoderateCooked together30,404 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and butter 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
- Flour
- Thickens the sauce by swelling and gelling with the liquid as it heats.
- Egg yolks
- Set gently when warm, giving the sauce body and a rich, smooth texture.
- Fresh butter
- Adds fat and richness, giving the sauce a silky mouthfeel and gloss.
- Cream
- Adds fat and softness, rounding the sauce and smoothing its texture.
- Lemon juice
- Adds acidity that brightens the richness of the butter and yolks.
The step that matters
Keep the sauce from boiling. Egg yolks scramble and curdle when overheated, so the sauce turns grainy. Once thickened, it should be kept below boiling and the butter added off the heat to keep it smooth.
Swap the lemon
How well each one fits the dish's main ingredients (flour, butter, egg, cream):
- Raisinfits better
- Vanillafits better
- Coconutfits better
- Lemonthe original
Fit is the average pairing score against flour, butter, egg, cream. 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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