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 ↓
Slaw Dressing
Ingredients
Directions
Beat the yolks of 3 eggs with 1 teaspoon corn starch dissolved in a little milk.
Add ½ cup sugar, 2 tablespoons melted butter, 1 teaspoon mustard, 1 teaspoon salt, and ½ cup vinegar.
Stir in 1 cup cream or milk and a little cayenne pepper.
Cook in a double boiler until thick.
Fold in the 3 egg whites beaten stiff.
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).
-
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).
-
Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
-
Corn + peppertop 11% of all pairsSmell alikemoderateCooked together5,324 recipes
Shared aroma: 2-nonenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Egg yolks
- Thicken the custard as they set during cooking and add richness.
- Corn starch
- Thickens the dressing as it heats, giving it body.
- Vinegar
- Adds acidity that gives the dressing its sharp tang.
- Sugar
- Balances the sharpness of the vinegar with sweetness.
- Melted butter
- Adds fat for a smoother, richer mouthfeel.
- Egg whites
- Beaten stiff and folded in, they lighten the dressing's texture.
The step that matters
Cook in a double boiler until thick. Egg yolks and starch thicken gently over moderate heat. Too much heat can scramble the yolks and leave lumps, so cook slowly and stir steadily until the dressing coats a spoon.
Swap the mustard
How well each one fits the dish's main ingredients (egg, corn, sugar, butter, vinegar, cream, pepper):
- Capsicumfits better
- Potatofits about as well
- Mustardthe original
- Asparagusfits about as well
Fit is the average pairing score against egg, corn, sugar, butter, vinegar, cream, 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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