Why it works: Lemon and pepper match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Egg Sauce
Ingredients
Directions
Chop the hard-boiled eggs into small pieces.
Mix the chopped eggs with pepper, salt, and melted butter.
Add mustard and lemon juice for a tangy flavor.
Stir well to combine all ingredients.
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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Lemon + peppertop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Mustard + peppertop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Mustard + lemontop 11% of all pairsSmell alikestrongCooked together3,816 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
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Lemon + buttertop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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 body of the sauce and provide creamy, rich texture when chopped.
- Melted butter
- Adds fat and smooth richness, binding the chopped eggs into a silky sauce.
- Mustard
- Adds sharp, pungent flavor that balances the richness of egg and butter.
- Lemon juice
- Adds acidity that brightens the sauce and gives it a tangy flavor.
Swap the mustard
How well each one fits the dish's main ingredients (egg, lemon, pepper, butter):
- Asparagusfits better
- Capsicumfits better
- Spinachfits better
- Mustardthe original
Fit is the average pairing score against egg, lemon, pepper, butter. 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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