Why it works: Water chestnut and onion work together. They rank in the top 5% of all ingredient pairs, and 319 recipes mention both. Both carry coumarin, which smells sweet, hay. The science ↓
The recipe
3.5 cupsIngredients
Contains: egg, milk, tree nuts (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Method written by CompKitchen from the ingredient list. Not the original author's method, not kitchen-tested.
Drain the water chestnuts well, then finely chop them and pat them dry with paper towels.
In a medium bowl, stir together the sour cream, mayonnaise, and dry vegetable soup mix until smooth.
Add the chopped water chestnuts, sliced green onion, and hot sauce, and fold everything together evenly.
Cover the bowl and refrigerate for at least 1 hour so the flavors blend and the dip thickens.
Stir the dip once more before serving cold with sturdy dippers.
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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Water chestnut + oniontop 5% of all pairsAroma overlapmoderateMentioned together319 recipes
Shared aroma: coumarin (sweet, hay).
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Cream + saucetop 6% of all pairsAroma overlapmoderateMentioned together4,786 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Cream + oniontop 9% of all pairsAroma overlaplowMentioned together10,826 recipes
Shared aroma: 2-nonanone (fruity, floral).
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Sauce + oniontop 11% of all pairsAroma overlaplowMentioned together10,465 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Water chestnut + saucetop 11% of all pairsAroma overlapmoderateMentioned together124 recipes
Shared aroma: ethanol (alcoholic, ethereal).
Cream and onion share little aroma chemistry, yet 10,826 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
Flavor stand-ins for the onion
How well each one fits the dish's main ingredients (water chestnut, cream, sauce):
- Welsh onionabout as good a flavor fit
- Onionthe original
- Spinachabout as good a flavor fit
- Lettuceabout as good a flavor fit
Fit is the average pairing score against water chestnut, cream, sauce. 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).
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