Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Melted-butter Sauce
Ingredients
Directions
Make the sauce
Melt the butter in a small saucepan over low heat.
Gradually add the flour, stirring continuously to avoid lumps.
Slowly pour in the water or milk, continuing to stir until the mixture boils.
Cook for 1 minute after boiling, then remove from heat.
Finish
For a richer sauce, add an extra tablespoon of butter or a spoonful of cream 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 + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 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
- Adds fat and rich flavour to the sauce.
- All-purpose flour
- Thickens the liquid as it cooks, giving the sauce body.
- Water or milk
- Forms the liquid base that the flour thickens into a sauce.
The step that matters
Adding the liquid gradually while stirring. Pouring the liquid in slowly and stirring constantly lets the starch disperse evenly before it thickens. Adding it all at once or skipping the stirring causes lumps that are hard to remove.
“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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