Why it works: Egg and butter are a kitchen classic. They rank in the top 17% of all ingredient pairs, and cooks put them together in 118,967 recipes. Both carry decanal, which smells soap, orange peel. The science ↓
Boiled Eggs
Ingredients
Directions
Boil in the shell
Boil eggs for 3 minutes for soft‑boiled eggs.
Boil eggs for 6 minutes for medium‑boiled eggs.
Boil eggs for 10 minutes for hard‑boiled eggs.
Boil eggs for 20 to 30 minutes for mealy yolks.
Make jellied eggs
Place eggs in boiling water for jellied eggs.
Reduce heat to keep water hot but not boiling for 10 minutes for jellied eggs.
Poach and serve
Fill a basin with boiling salted water for poached eggs.
Grease the bottom of the basin for poached eggs.
Break each egg into a saucer.
Slide the egg carefully into the basin.
Keep the water hot but do not boil.
When a film of white forms, remove the eggs to a hot dish.
Top each egg with a piece of butter.
Sprinkle each egg with pepper.
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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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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Egg + peppertop 33% of all pairsSmell alikelowCooked together50,580 recipes
Shared aroma: 2-nonenal (fatty, green).
Egg and pepper barely smell alike, yet cooks put them together in 50,580 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
- Eggs
- Proteins set when heated, firming the white and yolk into a solid structure.
- Butter
- Adds fat and richness, melting over the warm egg for a smooth finish.
The step that matters
Keep the water hot but do not boil. At a gentle heat the white sets around the yolk while holding its shape. A rolling boil churns the water and tears the delicate whites apart.
“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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