Why it works: Mustard and vinegar are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 14,067 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Cream Dressing
Ingredients
Directions
Make the dressing
Remove the yolks from the hard boiled eggs and mash them finely.
Mix in the mustard and melted butter.
Stir in the thick cream and salt.
Add cayenne pepper and anchovy or Worcestershire sauce.
Gradually add vinegar until the mixture is smooth and creamy.
Serve
Pour over prepared lettuce.
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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Mustard + vinegartop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Mustard + peppertop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Egg + anchovytop 12% of all pairsSmell alikemoderateCooked together2,330 recipes
Shared aroma: decanal (soap, orange peel).
-
Butter + anchovytop 13% of all pairsSmell alikemoderateCooked together3,697 recipes
Shared aroma: decanal (soap, orange peel).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Hard boiled eggs
- Mashed yolks form the body of the dressing and thicken it.
- Thick cream
- Adds richness and a smooth, creamy texture to the dressing.
- Melted butter
- Adds fat that makes the dressing silky and rich.
- Mixed mustard
- Adds sharpness and helps emulsify the fat into the dressing.
- Vinegar
- Adds acidity that brightens the flavour and balances the richness.
The step that matters
Gradually add vinegar until the mixture is smooth and creamy. Adding vinegar slowly lets the mashed yolks, mustard and fat blend into a stable, smooth emulsion. Adding it all at once can thin the dressing or make it look split.
Swap the mustard
How well each one fits the dish's main ingredients (egg, butter, cream, pepper, anchovy, vinegar):
- Capsicumfits better
- Spinachfits about as well
- Potatofits about as well
- Mustardthe original
Fit is the average pairing score against egg, butter, cream, pepper, anchovy, 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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