Why it works: Soy milk and asparagus share more aroma than cooks usually use. They rank in the top 9% of all ingredient pairs, and 5 recipes mention both. Both carry 2,4-nonadienal, which smells fatty, green. The science ↓
The recipe
Ingredients
Contains: milk, wheat, soy (auto-detected from the ingredients and method; we can miss things, so check labels)
Also mentioned in the method: pasta
Directions
Cook the pasta
Bring a large pot of lightly salted water to a boil.
Add pasta; stir to prevent sticking.
Cook pasta until just tender according to package directions, about 10 minutes.
Drain well.
Make the sauce
Meanwhile, in a large skillet, heat oil over medium heat.
Add shallots and cook, stirring occasionally, until softened, 6 to 7 minutes.
Stir in tomato sauce and half‑and‑half, increase heat to high and bring to a boil.
Add asparagus and tarragon and reduce heat to low.
Partially cover and cook until asparagus are tender and sauce is slightly thickened, 10 to 12 minutes.
Combine and serve
Add pasta to asparagus mixture along with salt and pepper.
Toss until well coated.
Serve hot.
This recipe comes from the Recipes Wiki on Fandom and is licensed CC BY-SA 4.0. Our formatting and summaries are shared under the same licence.
Steps grouped into stages for easier reading; the method is the source's own.
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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Soy milk + asparagustop 9% of all pairsAroma overlapstrongMentioned together5 recipes
Shared aroma: 2,4-nonadienal (fatty, green).
-
Olive + tomatotop 1% of all pairsAroma overlapstrongMentioned together14,164 recipes
Shared aroma: 3-hexenal (apple, fruity).
-
Shallot + tarragontop 2% of all pairsAroma overlapstrongMentioned together492 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
-
Asparagus + tarragontop 3% of all pairsAroma overlapmoderateMentioned together115 recipes
Shared aroma: coumarin (sweet, hay).
-
Tarragon + peppertop 3% of all pairsAroma overlapstrongMentioned together1,691 recipes
Shared aroma: estragole (anise, licorice).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Half-and-half or plain soy milk
- Adds richness and body, and mellows the acidity of the tomato sauce into a creamier coating.
- Tomato sauce
- Provides the liquid and acidity that form the base of the sauce.
- Asparagus
- Forms the main vegetable, becoming tender as it simmers in the sauce.
- Shallots
- Softened in oil to add a mild, sweet onion flavour to the sauce.
- Penne or ziti
- Provides the starch base that the sauce clings to when tossed.
The step that matters
Simmering the sauce until slightly thickened. Cooking partially covered lets some liquid evaporate and concentrates the sauce, while low heat keeps the cream-style dairy or soy milk from curdling or scorching.
Flavor stand-ins for the shallot
How well each one fits the dish's main ingredients (olive, tomato, sauce, soy milk, asparagus, tarragon, pepper):
- Capsicumbetter flavor fit
- Potatobetter flavor fit
- Spinachbetter flavor fit
- Shallotthe original
Fit is the average pairing score against olive, tomato, sauce, soy milk, asparagus, tarragon, pepper. 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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