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 ↓
Powdered Eggs
Ingredients
Directions
The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare
Chop the egg whites coarsely and sieve the yolks.
In a saucepan, cook the butter and flour until bubbling.
Make the sauce
Add the milk and stir until thick and smooth.
Season with salt and white pepper, then stir in the minced egg whites until heated through.
Bake and serve
Transfer to a hot dish, sprinkle the yolks on top, and bake in a 400°F (200°C) oven for 2 minutes.
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
- Hard-boiled eggs
- Provide the main body of the dish, with whites chopped into the sauce and yolks sprinkled on top.
- Butter
- Carries the flour and forms the roux that begins the thickened base.
- Flour
- Thickens the milk into a smooth sauce by forming a roux with the butter.
- Milk
- Forms the liquid of the sauce, which thickens as it is stirred.
The step that matters
Stirring the milk into the roux. Adding the milk gradually while stirring keeps the flour smooth and lump-free, so the sauce thickens evenly instead of clumping.
Swap the white pepper
How well each one fits the dish's main ingredients (egg, butter, flour, milk):
- Nutmegfits better
- Cinnamonfits better
- Capersfits better
- White pepperthe original
Fit is the average pairing score against egg, butter, flour, milk. Candidates are from the same food group and used in at least 100 recipes.
“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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