Why it works: Asparagus and lemon work together. They rank in the top 6% of all ingredient pairs, and cooks put them together in 704 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Asparagus
Ingredients
Directions
Prepare
Stand the asparagus in a soup plate of cold water with cut ends down for up to 2 days.
Trim the asparagus to the same length and scrape the white part lightly.
Wash the asparagus thoroughly in cold water.
Tie the asparagus into bundles of about a dozen heads each with tape.
Soak the bundles in cold water for 30 minutes, then drain.
Cook and serve
Boil plenty of salted water (1 dessert spoon of salt per quart) in a saucepan.
Add the asparagus and boil gently for 25-30 minutes until tender.
Drain the asparagus and remove the tape.
Serve in a hot dish with melted butter, Hollandaise sauce, or green sauce.
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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Asparagus + lemontop 6% of all pairsSmell alikemoderateCooked together704 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Asparagus + oniontop 9% of all pairsSmell alikestrongCooked together1,212 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, 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
- Asparagus
- Is the main vegetable, cooked by boiling until tender throughout.
- Butter
- Adds richness and a silky mouthfeel when melted over the cooked spears.
The step that matters
Boil gently until tender. Boiling vigorously can break up the delicate tips and cook the stalks unevenly. A gentle simmer in well-salted water cooks the thick stalks through while the tips stay intact and tender.
Swap the onion
How well each one fits the dish's main ingredients (asparagus, butter, flour, egg, sugar, lemon, cream):
- Leekfits better
- Shallotfits better
- Chivefits better
- Onionthe original
Fit is the average pairing score against asparagus, butter, flour, egg, sugar, lemon, cream. 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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