Why it works: Vinegar and mustard 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 ↓
Oooked Mayonnaise Dbessing
Ingredients
Directions
Make the base
Combine the beaten yolks of five eggs with five tablespoons of boiling vinegar in a bowl.
Place the bowl in a pan of boiling water and cook until the mixture is stiff, stirring from the sides.
Finish the dressing
Remove from heat and add four ounces of butter, stirring until cool and well mixed.
Once cool, season with salt, pepper, and mustard to taste.
Thin the mixture with sweet cream or oil to your desired consistency.
If the mixture is not smooth, strain it through a fine sieve.
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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Vinegar + mustardtop 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).
-
Pepper + mustardtop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Vinegar + peppertop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 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
- Egg yolks
- Cooked gently, they thicken the vinegar mixture and help it set into a stiff base.
- Butter
- Stirred in off the heat, it adds richness and a smooth, creamy body.
- Sweet cream or oil
- Loosens the thickened mixture to the desired consistency, adding moisture and smoothness.
The step that matters
Cooking the yolk and vinegar mixture over boiling water. Egg yolk proteins set when heated, but too much heat or too long can curdle them into lumps. Stirring from the sides over gentle, steady heat keeps the mixture smooth while it thickens.
Swap the mustard
How well each one fits the dish's main ingredients (egg, vinegar, butter, pepper, cream):
- Capsicumfits about as well
- Potatofits about as well
- Mustardthe original
- Spinachfits about as well
Fit is the average pairing score against egg, vinegar, butter, pepper, 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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