Why it works: Egg and butter are a kitchen classic. They rank in the top 17% of all ingredient pairs, and 118,967 recipes mention both. Both carry decanal, which smells soap, orange peel. The science ↓
Hollandaise Sauce
Ingredients
Directions
Boil the vinegar, crushed peppercorns, and bay leaf until the vinegar is reduced by half.
Stir in the egg yolks one by one.
Add the butter in small pieces and stir over low heat until it begins to thicken, being careful not to let it curdle.
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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Egg + buttertop 17% of all pairsAroma overlapmoderateMentioned together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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Vinegar + buttertop 23% of all pairsAroma overlapmoderateMentioned together13,513 recipes
Shared aroma: isoamyl acetate (banana, pear).
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Vinegar + eggtop 33% of all pairsAroma overlaplowMentioned together12,922 recipes
Shared aroma: acetic acid (sour, vinegar).
Vinegar and egg share little aroma chemistry, yet 12,922 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 set gently with heat.
- Butter
- Adds richness and fat that gives the sauce its smooth, silky body.
- Vinegar
- Provides acidity that balances the richness and flavours the reduced base.
The step that matters
Adding the butter over low heat. Egg yolks thicken gently at low temperature, but too much heat scrambles them and the sauce curdles. Adding butter in small pieces while stirring lets the yolks emulsify it evenly.
“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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