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 ↓
Cream Salad Dressing
Ingredients
Directions
Make the dressing
In a bowl, mix flour, sugar, salt, cayenne pepper, and mustard together.
Add a little of the milk to the dry mixture to form a smooth paste.
Gradually add the rest of the milk and boil in a double boiler, stirring constantly until thickened like custard.
Remove from heat and stir in the eggs, cooking for an additional minute.
After removing from the stove, mix in the vinegar.
Store and serve
Store in a self-sealing jar; it will keep for weeks.
When ready to serve, add whipped cream and a little lemon juice.
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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Vinegar + mustardtop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Mustard + peppertop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + mustardtop 13% of all pairsSmell alikemoderateCooked together5,066 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
- Eggs
- Thicken the dressing as they cook and give it a rich, custard-like body.
- Flour
- Thickens the milk into a smooth, stable base for the dressing.
- Butter
- Adds richness and a smooth, mellow mouthfeel to the dressing.
- Vinegar
- Adds sharp acidity that balances the sweetness and richness of the dressing.
- Sugar
- Balances the sharpness of the vinegar and mustard with gentle sweetness.
The step that matters
Make the smooth paste before adding the milk. Flour clumps if added to hot liquid without first being blended into a little cold liquid. Making a smooth paste first lets the starch disperse evenly, so the custard thickens without lumps.
Swap the mustard
How well each one fits the dish's main ingredients (butter, sugar, flour, milk, vinegar, egg, pepper):
- Capsicumfits better
- Shallotfits about as well
- Mustardthe original
- Chivefits about as well
Fit is the average pairing score against butter, sugar, flour, milk, vinegar, egg, pepper. 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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