Why it works: Vinegar and pepper are a kitchen classic. They rank in the top 14% of all ingredient pairs, and 27,814 recipes mention both. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Hollandaise Sauce
Ingredients
Directions
Heat the white sauce in a small saucepan.
Stir in the egg yolks.
Place the saucepan in a pot of boiling water over the heat.
Whisk until nearly boiling.
Add the butter in small amounts.
Add the vinegar.
Season with salt and pepper.
Whisk until the sauce is the consistency of light 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 aroma chemistry they share, and how many recipes mention both.
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Vinegar + peppertop 14% of all pairsAroma overlapmoderateMentioned together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Sauce + buttertop 15% of all pairsAroma overlaplowMentioned together15,338 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Egg + buttertop 17% of all pairsAroma overlapmoderateMentioned together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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Butter + peppertop 21% of all pairsAroma overlapmoderateMentioned together85,593 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Butter + vinegartop 23% of all pairsAroma overlapmoderateMentioned together13,513 recipes
Shared aroma: isoamyl acetate (banana, pear).
Sauce and butter share little aroma chemistry, yet 15,338 recipes mention both: they likely 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 yolks
- Emulsify the butter and thicken the sauce as they gently cook.
- Butter
- Adds richness and fat that, emulsified into the yolks, gives the sauce its smooth body.
- White sauce
- Provides a thickened base that adds body and stability to the sauce.
- Vinegar
- Adds acidity that brightens the flavour and balances the richness of the butter.
The step that matters
Whisk until nearly boiling. Egg yolks thicken and emulsify only within a narrow temperature range. Too hot and they scramble into lumps; too cool and the sauce stays thin and may separate. Constant whisking over gentle heat keeps the sauce smooth.
“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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