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 ↓
White Mayonnaise
Ingredients
Directions
In a double boiler, combine cream, flour, white wine vinegar, butter, powdered sugar, salt, white pepper, and dry mustard.
Cook while stirring constantly until thick and smooth.
Just before removing from heat, fold in the whipped egg whites.
If necessary, thin with additional cream.
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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Cream + buttertop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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White wine + buttertop 9% of all pairsSmell alikemoderateCooked together5,083 recipes
Shared aroma: ethyl octanoate (fruity, wine).
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Cream + sugartop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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White wine + vinegartop 11% of all pairsSmell alikemoderateCooked together1,776 recipes
Shared aroma: beta-damascenone (apple, rose).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Cream
- Forms the body of the sauce and gives it a smooth, rich texture.
- Flour
- Thickens the liquid as it heats, giving the sauce structure.
- Egg whites
- Whipped and folded in to add lightness and airiness to the sauce.
- Butter
- Adds fat for richness and a smooth mouthfeel.
- White wine vinegar
- Adds acidity that gives the sauce a sharp, bright flavour.
The step that matters
Fold in the whipped egg whites just before removing from heat. Egg whites are delicate, and folding them in at the end keeps their trapped air from collapsing under prolonged heat, so the sauce stays light.
Swap the white pepper
How well each one fits the dish's main ingredients (cream, flour, white wine, vinegar, butter, sugar, mustard):
- Tarragonfits better
- Capersfits better
- Cinnamonfits better
- White pepperthe original
Fit is the average pairing score against cream, flour, white wine, vinegar, butter, sugar, mustard. 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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