Why it works: Butter and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓
Scalloped 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 the eggs
Remove the shells from the hard-boiled eggs and pass them through a sieve.
Mix the eggs with salt and pepper.
Make the sauce
In a saucepan, melt the butter, add the flour, and stir in the milk until smooth.
Pour the milk mixture over the seasoned eggs.
Bake and serve
Sprinkle bread crumbs on top.
Bake at 400°F (200°C) for 20 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 + breadtop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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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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Milk + breadtop 11% of all pairsSmell alikemoderateCooked together11,466 recipes
Shared aroma: 2-undecenal (sweet).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Egg + breadtop 13% of all pairsSmell alikemoderateCooked together22,662 recipes
Shared aroma: (e)-2-octenal (fatty, green).
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
- Form the main body of the dish, giving it substance and a soft, creamy texture.
- Butter
- Adds richness and fat, and helps the flour cook into a smooth base for the sauce.
- Flour
- Thickens the milk into a smooth sauce that holds the eggs together.
- Sweet milk
- Forms the liquid base of the sauce, adding moisture and a mild, creamy flavor.
- Bread crumbs
- Form a crisp topping that browns in the oven.
The step that matters
Stir the milk and flour until smooth. Flour clumps if it is not blended into melted butter and milk gradually; lumps stay in the sauce and it will not thicken evenly. Stirring keeps the starch dispersed so it thickens into a smooth sauce.
“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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