Why it works: Vinegar and mustard are a kitchen classic. They rank in the top 7% of all ingredient pairs, and 14,067 recipes mention both. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Marie Paidar
Ingredients
Directions
Make the base
Combine one cup vinegar, one cup water, two tablespoons cornstarch, one teaspoon salt, one salt-spoon red pepper, one teaspoon Coleman's mustard, one tablespoon sugar, and two egg yolks in a bowl.
Add a spoonful of melted butter if desired.
Mix dry ingredients with the water and add to yolks.
Cook
Add mixture to hot vinegar.
Cook ten minutes in a double boiler.
Add stiffly beaten egg whites while hot.
Serve leftovers
If left over and becomes too thick, thin with sour 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. See the original page.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much aroma chemistry they share, and how many recipes mention both.
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Vinegar + mustardtop 7% of all pairsAroma overlapmoderateMentioned together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Cream + buttertop 8% of all pairsAroma overlapmoderateMentioned together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Cheese + buttertop 8% of all pairsAroma overlapmoderateMentioned together7,962 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Mustard + peppertop 9% of all pairsAroma overlapmoderateMentioned together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Cream + sugartop 9% of all pairsAroma overlapmoderateMentioned together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Cornstarch
- Thickens the dressing as it heats, swelling in liquid to give body.
- Egg yolks
- Enrich and thicken the dressing, setting into a smooth, custard-like texture when heated.
- Vinegar
- Provides the sharp acidity that balances the richness of the yolks.
- Sugar
- Softens the sharpness of the vinegar and adds mild sweetness.
The step that matters
Cook ten minutes in a double boiler. Egg yolks thicken gently but curdle if overheated, so the water should stay at a gentle simmer rather than a hard boil. Constant, moderate heat lets the starch and yolks set smoothly.
Flavor stand-ins for the mustard
How well each one fits the dish's main ingredients (vinegar, cream, pepper, flour, sugar, cheese, butter):
- Mustardthe original
- Capsicumabout as good a flavor fit
Fit is the average pairing score against vinegar, cream, pepper, flour, sugar, cheese, butter. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“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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