Why it works: Egg and butter are a kitchen classic. They rank in the top 17% of all ingredient pairs, and cooks put them together in 118,967 recipes. Both carry decanal, which smells soap, orange peel. The science ↓
Foam Sauce
Ingredients
Directions
Make the sauce
Cream the butter and sugar together.
Add the egg yolk and mix well.
Place the bowl in hot water and gradually add the boiling water by the spoonful.
Finish
Fold in the beaten egg white after transferring to the serving bowl.
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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Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
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Sugar + eggtop 21% of all pairsSmell alikemoderateCooked together122,807 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
- Sugar
- Sweetens the sauce and helps trap air when creamed with the butter.
- Butter
- Adds richness and fat, and creaming with sugar gives a lighter texture.
- Egg
- The yolk enriches and thickens the sauce, while the beaten white adds foam and lightness.
- Boiling water
- Adds moisture and helps dissolve the sugar into a smooth, pourable sauce.
The step that matters
Adding the boiling water gradually. Adding the water a spoonful at a time, over hot water, lets the sugar dissolve and the butter and egg stay blended. Adding it all at once can make the mixture separate or turn grainy.
“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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