Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓
Fried Egg Sandwiches
Ingredients
Directions
Prepare the filling
Peel and slice the hard-boiled eggs.
In a bowl, mash the eggs with butter and cream until smooth.
Season the mixture with salt, pepper, and cayenne.
Assemble the sandwiches
Slice the French rolls thinly and butter each slice.
Spread the egg mixture on half of the slices and top with the remaining slices to form sandwiches.
Fry and serve
Dip each sandwich in prepared frying batter.
Fry the sandwiches in hot oil until golden brown.
Drain on paper towels and serve.
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 + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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Butter + peppertop 21% of all pairsSmell alikemoderateCooked together85,593 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Cream + peppertop 23% of all pairsSmell alikelowCooked together21,449 recipes
Shared aroma: acetic acid (sour, vinegar).
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Egg + creamtop 24% of all pairsSmell alikelowCooked together42,166 recipes
Shared aroma: acetic acid (sour, vinegar).
Cream and pepper barely smell alike, yet cooks put them together in 21,449 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 creamy, mashable base of the filling.
- Butter
- Adds richness and moisture to the egg filling and helps the rolls brown.
- Cream
- Loosens the mashed egg so the filling spreads smoothly and stays moist.
- French rolls
- Hold the filling and crisp up in the hot oil to form the sandwich's outer shell.
The step that matters
Fry in hot oil until golden brown. Oil that is hot enough sets and browns the outside quickly, forming a crisp layer that limits how much oil the bread absorbs. If the oil is too cool, the sandwich soaks up grease and turns soggy before the surface browns.
“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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