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 ↓
Cream Dressing II
Ingredients
Directions
Make the dressing base
Mix the dry ingredients in a bowl.
Add the melted butter, egg yolk, and vinegar slowly while stirring.
Cook over boiling water, stirring constantly until the mixture thickens.
Finish the dressing
Cool the mixture, then fold it into the whipped thick 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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Mustard + vinegartop 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).
-
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).
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Egg yolk
- Thickens the dressing and adds richness as it cooks and sets.
- Flour
- Thickens the cooked base so it holds body when cooled.
- Thick cream
- Adds richness and a light, airy texture when whipped and folded in.
- Vinegar
- Adds the sharp acidity that balances the richness of the cream and egg.
- Melted butter
- Adds fat for smoothness and a rich mouthfeel.
The step that matters
Cook over boiling water, stirring constantly until the mixture thickens. Egg yolk thickens only when gently heated; if the heat is too high or stirring stops, the yolk can scramble and the dressing turns lumpy. Constant stirring keeps the heat even so the mixture thickens smoothly.
Swap the mustard
How well each one fits the dish's main ingredients (pepper, butter, flour, egg, sugar, vinegar, cream):
- Capsicumfits about as well
- Mustardthe original
- Shallotfits about as well
- Chivefits about as well
Fit is the average pairing score against pepper, butter, flour, egg, sugar, vinegar, 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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