Why it works: Cucumber and arrowroot share more aroma than cooks usually use. They rank in the top 5% of all ingredient pairs, and cooks put them together in 28 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Cucumber Soup
Ingredients
Directions
Prepare the cucumbers
Pare, split, and remove seeds from the cucumbers.
Sprinkle a little salt over them and let drain for 1 hour.
Make the soup
In a saucepan, combine cucumbers and the white part of the onions.
Cover with veal stock and stew gently for 45 to 75 minutes until tender.
Press the mixture through a fine sieve and add more stock to reach desired soup quantity.
Stir in thickener when boiling to achieve a good consistency.
Add boiling cream and serve immediately.
Finish and garnish
For a variation, mix egg yolks with chili vinegar and stir in just before serving, without boiling.
Garnish with minced parsley if desired.
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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Cucumber + arrowroottop 5% of all pairsSmell alikestrongCooked together28 recipes
Shared aroma: coumarin (sweet, hay).
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Cucumber + oniontop 8% of all pairsSmell alikestrongCooked together6,050 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Cucumber + vinegartop 8% of all pairsSmell alikemoderateCooked together4,734 recipes
Shared aroma: 2-methylbutyl acetate (fruit).
-
Onion + arrowroottop 11% of all pairsSmell alikestrongCooked together340 recipes
Shared aroma: coumarin (sweet, hay).
-
Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Cucumbers
- Make up the bulk of the soup, giving its fresh flavour and body once pressed and strained.
- Veal stock
- Provides savoury depth and the liquid in which the cucumbers become tender.
- Thickener
- Arrowroot or rice flour swells when heated, giving the soup a smooth, fuller consistency.
- Cream
- Adds richness and a smooth, velvety mouthfeel to the finished soup.
- Egg yolks
- Optional; their proteins can enrich and thicken the soup when stirred in without boiling.
The step that matters
Stirring in the thickener while boiling. Starch thickeners need to reach boiling to swell and set. If they are added too little or not fully heated, the soup stays thin or turns out lumpy. Stir steadily to distribute them evenly.
Swap the arrowroot
How well each one fits the dish's main ingredients (cucumber, onion, veal, cream, pepper, egg, vinegar):
- Chivefits better
- Capsicumfits better
- Spinachfits better
- Arrowrootthe original
Fit is the average pairing score against cucumber, onion, veal, cream, pepper, egg, vinegar. 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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