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 ↓
Escalloped Potatoes with 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
Boil the potatoes until tender, then peel and slice them while hot.
Slice the hard-boiled eggs while hot.
Make the sauce
In a saucepan, melt the butter, stir in the flour, and gradually add the cream to make a sauce.
Assemble and bake
Butter a baking dish and layer the sliced potatoes and eggs alternately.
Pour the sauce over the layers and sprinkle bread crumbs on top.
Bake in a 400°F (200°C) oven until browned. 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 + breadtop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Potato + buttertop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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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
- Potatoes
- Form the bulk of the dish and soften into a tender, starchy base.
- Hard-boiled eggs
- Add richness and a firm, sliceable texture between the potato layers.
- Butter
- Adds richness and flavor and helps form the sauce base.
- Flour
- Thickens the butter and cream into a smooth sauce.
- Cream
- Makes the sauce rich and moist, coating the layers as it bakes.
- Bread crumbs
- Form a crisp, browned topping when baked.
The step that matters
Make the sauce smooth. Cream added too quickly to melted butter and flour can lump. Adding it gradually while stirring lets the starch hydrate evenly, giving a smooth sauce that thickens properly.
Swap the potato
How well each one fits the dish's main ingredients (egg, butter, flour, cream, bread):
- Leekfits better
- Chivefits better
- Shallotfits about as well
- Potatothe original
Fit is the average pairing score against egg, butter, flour, cream, bread. 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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