Why it works: Brandy and butter are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 5,127 recipes. Both carry ethyl octanoate, which smells fruity, wine. The science ↓
Foam Sauce
Ingredients
Directions
Make the sauce
In a bowl, beat the powdered sugar and egg yolks together.
Set the bowl in boiling water and stir until hot.
Gently fold in the stiffly beaten egg whites.
Serve
In a serving dish, place a small piece of butter and the brandy.
Pour the sugar and egg mixture over the butter and brandy just before serving.
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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Brandy + buttertop 15% of all pairsSmell alikemoderateCooked together5,127 recipes
Shared aroma: ethyl octanoate (fruity, wine).
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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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Egg + brandytop 17% of all pairsSmell alikemoderateCooked together7,340 recipes
Shared aroma: acetoin (butter, cream).
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Sugar + brandytop 19% of all pairsSmell alikelowCooked together11,939 recipes
Shared aroma: beta-damascenone (apple, rose).
Sugar and brandy barely smell alike, yet cooks put them together in 11,939 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
- Powdered sugar
- Adds sweetness and body to the sauce as it is beaten with the yolks.
- Eggs
- Yolks thicken the base with heat, and whites whipped into stiff peaks give the sauce its light foam.
- Brandy
- Adds a warm, aromatic flavour that cuts through the sweetness.
- Butter
- Adds richness and a silky fat note to the sauce.
The step that matters
Heating the yolk mixture over boiling water. Gentle heat thickens the egg yolks smoothly; if the bowl gets too hot or the mixture is stirred too long, the yolks can scramble and turn grainy. Folding in the whites gently afterwards keeps the foam from collapsing.
“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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