Why it works: Pepper and lemon 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 ↓
Asparagus Sauce
Ingredients
Directions
Prepare the asparagus
Boil the asparagus in a small amount of salted water until tender.
Drain and chop the asparagus.
Make the sauce
In a bowl, combine the hot drawn butter with the beaten eggs.
Add the chopped asparagus, salt, pepper, and lemon juice.
Stir gently and serve immediately without cooking further.
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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Pepper + lemontop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Asparagus + lemontop 6% of all pairsSmell alikemoderateCooked together704 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Asparagus + peppertop 10% of all pairsSmell alikemoderateCooked together1,968 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Asparagus + eggtop 17% of all pairsSmell alikemoderateCooked together1,338 recipes
Shared aroma: 2-nonenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Large eggs
- Thicken the butter into a smooth, spoonable sauce as their proteins set with gentle heat.
- Drawn butter
- Provides richness and a silky mouthfeel that carries the flavour of the sauce.
- Asparagus
- Adds body, bulk and its green, vegetal flavour to the sauce.
- Lemon juice
- Adds acidity that brightens the rich butter and egg mixture.
The step that matters
Combine the hot butter with the beaten eggs. Egg proteins thicken the butter as they gently warm, but if the mixture gets too hot the eggs can curdle and turn grainy. Stirring gently and serving right away keeps the sauce smooth.
Swap the asparagus
How well each one fits the dish's main ingredients (pepper, butter, egg, lemon):
- Asparagusthe original
- Capsicumfits about as well
- Spinachfits about as well
- Shallotfits less well
Fit is the average pairing score against pepper, butter, egg, lemon. 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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