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 asparagus and scrape the stalks.
Wash the asparagus in cold water.
Cut the stalks to the same length and tie them in small bundles with heads aligned.
Cook and serve
Boil the asparagus in hot water with 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).
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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
- Forms the main body of the dish and becomes tender when boiled.
- Thick toast
- Absorbs the cooking water, giving a soft base that holds the asparagus.
- Butter
- Adds richness and fat that coats the asparagus and softens its flavour.
- Lemon juice
- Adds acidity that brightens the buttery sauce and balances its richness.
The step that matters
Boiling the asparagus. Boiling for too long turns the stalks soft and dull, and rough handling breaks the tender heads. Cooking just until tender keeps the texture firm and the colour bright.
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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