Why it works: Asparagus and arrowroot share more aroma than cooks usually use. They rank in the top 8% of all ingredient pairs, and 8 recipes mention both. Both carry coumarin, which smells sweet, hay. The science ↓
Puree D’asperges
Ingredients
Directions
Cook the asparagus
Break off the tops of the asparagus and boil them in salted water until tender.
Drain the asparagus on a towel.
Make the puree
In a saucepan, melt the butter and add the asparagus tops.
Stir over moderate heat with a sprig of parsley until well combined.
Mash the asparagus, then add the white sauce, arrowroot, salt, and sugar.
Let it boil for a few minutes, then serve.
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 aroma chemistry they share, and how many recipes mention both.
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Asparagus + arrowroottop 8% of all pairsAroma overlapstrongMentioned together8 recipes
Shared aroma: coumarin (sweet, hay).
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Sauce + sugartop 13% of all pairsAroma overlapstrongMentioned together5,147 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Butter + saucetop 15% of all pairsAroma overlaplowMentioned together15,338 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Asparagus + buttertop 17% of all pairsAroma overlapmoderateMentioned together2,026 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Butter + sugartop 17% of all pairsAroma overlapmoderateMentioned together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
Butter and sauce share little aroma chemistry, yet 15,338 recipes mention both: they likely 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
- Green asparagus
- Forms the bulk of the puree and provides its green, vegetal flavor.
- Butter
- Adds fat for richness and a smooth, silky mouthfeel.
- White sauce
- Adds moisture and body, loosening the mashed asparagus into a spoonable puree.
- Arrowroot
- Thickens the puree when heated, giving it a glossy, stable consistency.
- Sugar
- Adds a light sweetness that balances the vegetable flavor.
The step that matters
Boiling after adding the arrowroot. Arrowroot thickens as it heats, but prolonged vigorous boiling can break down its starch and thin the puree. Keep the boil brief, as the recipe says, so the texture sets smooth and glossy.
Flavor stand-ins for the arrowroot
How well each one fits the dish's main ingredients (asparagus, butter, sauce, sugar):
- Shallotbetter flavor fit
- Mustardbetter flavor fit
- Leekbetter flavor fit
- Arrowrootthe original
Fit is the average pairing score against asparagus, butter, sauce, sugar. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“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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