Why it works: Egg and butter match in chemistry and in kitchens. They rank in the top 8% of all ingredient pairs, and 118,511 recipes mention both. Both carry nonanal, which smells fat, citrus. The science ↓
The recipe
Ingredients
Contains: egg, milk, wheat (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Prepare the eggs
Boil the eggs for 15 minutes.
Remove the shells.
Cut the eggs in half crosswise.
Slice a small bit off the bottom of each half to make them stand.
Make the sauce
Melt the butter in a frying pan.
Add the flour and mix until smooth.
Add the milk and stir continually until it boils.
Add the salt and pepper.
Assemble and serve
Stand the eggs on a heated platter.
Pour the sauce over and around them.
Serve very 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 aroma chemistry they share, and how many recipes mention both.
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Egg + buttertop 8% of all pairsAroma overlapstrongMentioned together118,511 recipes
Shared aroma: nonanal (fat, citrus).
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Butter + milktop 3% of all pairsAroma overlapstrongMentioned together81,222 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Flour + buttertop 6% of all pairsAroma overlaplowMentioned together122,858 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + milktop 8% of all pairsAroma overlaplowMentioned together76,993 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Egg + flourtop 8% of all pairsAroma overlaplowMentioned together104,138 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and butter share little aroma chemistry, yet 122,858 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
- Eggs
- Form the main body of the dish, set firm when boiled.
- Flour
- Thickens the butter and milk into a smooth sauce.
- Butter
- Fat that melts with the flour to start the sauce and adds richness.
- Milk
- Liquid that the flour thickens into a creamy sauce as it boils.
The step that matters
Stir the milk while it comes to a boil. Flour thickens milk as it heats, but if the mixture is not stirred constantly it can scorch on the pan bottom or form lumps before the sauce becomes 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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