Why it works: Mustard and pepper are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 15,430 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Dressing Fob Sandwiches
Ingredients
Directions
Rub the butter into a cream.
Add the mustard, salad oil, red pepper, salt, and egg yolk; mix thoroughly.
Chill the mixture.
Before using, mix in the finely chopped ham.
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 + peppertop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Mustard + hamtop 14% of all pairsSmell alikelowCooked together747 recipes
Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).
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Butter + hamtop 16% of all pairsSmell alikemoderateCooked together5,475 recipes
Shared aroma: trans-2-decenal (waxy, orange).
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Egg + hamtop 17% of all pairsSmell alikemoderateCooked together4,526 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Butter + eggtop 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
- Butter
- Creamed base that gives the dressing its rich body and mouthfeel.
- Egg yolk
- Emulsifier that helps hold the butter, oil, and mustard together as one smooth dressing.
- Salad oil
- Adds fluidity and smoothness, keeping the dressing spreadable.
- Mixed mustard
- Adds sharp, savory flavor that cuts through the richness of the butter.
The step that matters
Rub the butter into a cream. Butter must be soft and worked until smooth before the other ingredients go in. If it is cold or lumpy, it will not blend evenly, and the egg yolk and oil may separate instead of forming a uniform dressing.
Swap the mustard
How well each one fits the dish's main ingredients (butter, pepper, egg, ham):
- Capsicumfits better
- Asparagusfits about as well
- Mustardthe original
- Potatofits about as well
Fit is the average pairing score against butter, pepper, egg, ham. 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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