Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Egg Cream Toast
Ingredients
Directions
Make the cream sauce
Melt the butter in a saucepan.
Add the flour and let it thicken smoothly.
Gradually add the milk, salt, and pepper.
Make the egg mixture
Beat the egg whites until stiff and carefully fold in the yolks.
Cook and serve
Add the egg mixture to the cream sauce and cook until the egg is firm like custard.
Pour the sauce over the toast and serve hot.
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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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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
- Eggs
- Egg whites trap air when beaten, and the yolks set into a custard that thickens the sauce.
- Butter
- Fat that enriches the sauce and carries flavor in the initial roux.
- Flour
- Starch that thickens the milk into a smooth, cohesive cream sauce.
- Milk
- Liquid base of the cream sauce, providing body and a creamy texture.
The step that matters
Cook the egg mixture until it is firm like custard. Egg proteins set when heated, but overheating makes them curdle or turn grainy. Cook gently and stop as soon as the sauce thickens and the egg is set.
“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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