Why it works: Asparagus and onion match in chemistry and in kitchens. They rank in the top 9% of all ingredient pairs, and cooks put them together in 1,212 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Asparagus with Cream
Ingredients
Directions
Prepare the asparagus
Cut the asparagus into small pieces.
Bring a saucepan of water to a boil and blanch the asparagus for 3 minutes.
Drain the asparagus and transfer it to another saucepan.
Cook the creamed asparagus
Add a little water, butter, sugar, and the onion to the saucepan.
Cook on low heat until the onion is soft.
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.
-
Asparagus + oniontop 9% of all pairsSmell alikestrongCooked together1,212 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Butter + oniontop 15% of all pairsSmell alikemoderateCooked together42,912 recipes
Shared aroma: decanal (soap, orange peel).
-
Asparagus + buttertop 17% of all pairsSmell alikemoderateCooked together2,026 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Butter + sugartop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
-
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
- Forms the main body of the dish and gives it its vegetable flavor and texture.
- Butter
- Adds fat for a smooth, rich mouthfeel and carries flavor.
- Onion
- Softens during cooking to add a savory aromatic base.
- Sugar
- Adds mild sweetness that balances the grassy bitterness of asparagus.
The step that matters
Cook on low heat until the onion is soft. Low heat softens the onion gently without browning it, so the dish keeps a mild, sweet flavor instead of a sharp or toasted one.
Swap the onion
How well each one fits the dish's main ingredients (asparagus, butter, sugar):
- Leekfits better
- Chivefits better
- Sweet potatofits better
- Onionthe original
Fit is the average pairing score against asparagus, butter, sugar. 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.
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.
Asparagus Soup179 recipes
Asparagus Salad77 recipes
Cream of Asparagus38 recipes
Boiled Asparagus27 recipes