Why it works: Asparagus and pepper are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 1,968 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Asparagus and Seakale
Ingredients
Directions
Prepare
Wash and tie asparagus and sea kale in small bundles with tape, ensuring the heads are level.
Trim the stalks to the same length with a sharp knife.
Cook
Boil water in a deep saucepan and add a good amount of coarse sea salt and a little sugar.
Place the bundles in the boiling water, with the heads above the water for steaming.
Boil for 30 to 40 minutes until the stalks are tender and the heads are cooked by steam.
Carefully drain the bundles and remove the tape.
Serve
Serve with Dutch sauce or a dressing of oil, vinegar, pepper, and salt.
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 + peppertop 10% of all pairsSmell alikemoderateCooked together1,968 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Vinegar + peppertop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Sugar + vinegartop 15% of all pairsSmell alikemoderateCooked together20,806 recipes
Shared aroma: beta-damascenone (apple, rose).
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Asparagus + vinegartop 19% of all pairsSmell alikemoderateCooked together439 recipes
Shared aroma: acetoin (butter, cream).
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Asparagus + sugartop 28% of all pairsSmell alikemoderateCooked together488 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
- Asparagus
- Stalks cook until tender while the heads are gently steamed above the water.
- Seakale
- Stalks cook until tender while the heads are gently steamed above the water.
- Vinegar
- Adds acidity to the dressing, balancing the richness of the oil.
- Oil
- Adds fat and smooth mouthfeel to the dressing.
The step that matters
Keep the heads above the water. Only the stalks should sit in the boiling water. The heads cook by steam, so submerging them can make them waterlogged and mushy instead of tender.
Swap the asparagus
How well each one fits the dish's main ingredients (sugar, vinegar, pepper):
- Capsicumfits better
- Mustardfits better
- Cabbagefits better
- Asparagusthe original
Fit is the average pairing score against sugar, vinegar, pepper. 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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