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
Remove loose leaves from the asparagus and scrape the stalks.
Wash the asparagus in cold water and cut the stalks to the same length.
Tie the asparagus into small bundles with the heads aligned.
Cook and serve
Boil the asparagus in hot water with a little coarse sea salt for about 20 minutes until tender, being careful not to break the heads.
Serve the asparagus on a slice of thick toast dipped in the cooking water.
Serve with melted butter mixed with a few drops of lemon juice.
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).
-
Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
-
Asparagus + buttertop 17% of all pairsSmell alikemoderateCooked together2,026 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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 until tender and served as the centrepiece.
- Thick toast
- Soaks up the cooking water, giving a moist base that supports the asparagus.
- Butter
- Adds richness and a smooth fat coating that carries the flavour of the dish.
- Lemon juice
- Adds acidity that brightens the buttery sauce and balances its richness.
The step that matters
Boiling the asparagus until tender without breaking the heads. Asparagus stalks need enough heat time to soften, but the tender tips cook faster and can fall apart. Tying the bundles with heads aligned and keeping the heads out of harsh bubbling helps them stay intact while the stalks finish cooking.
Swap the asparagus
How well each one fits the dish's main ingredients (butter, lemon):
- Shallotfits about as well
- Asparagusthe original
- Leekfits about as well
- Arrowrootfits less well
Fit is the average pairing score against butter, 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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