Why it works: Cucumber and rice match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and 734 recipes mention both. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Mullagatawny Soup, Vegetable
Ingredients
Directions
Prepare the vegetables
Pare the vegetable marrows and cucumbers, cut them lengthwise into slips, remove their seeds, and dice them.
Pare and core the sour apples or tomatoes.
Slice the Spanish onions.
Make the soup
In a large stewpan, fry the onions in butter until slightly browned.
Add the diced vegetables before the butter darkens, and stir gently.
Shake the pan frequently.
Stew over low heat until half cooked.
Add 2 to 3 tablespoons of curry powder.
Continue to stew until the vegetables are soft.
Pour in enough boiling veal stock to cover the vegetables.
Strain through a coarse sieve, pressing the pulp with a wooden spoon.
Add more stock or water as needed for the desired soup quantity.
Season with salt, cayenne, and lemon juice.
If necessary, thicken with a little ground rice or arrowroot.
Serve
Serve with rice 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 aroma chemistry they share, and how many recipes mention both.
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Cucumber + ricetop 5% of all pairsAroma overlapstrongMentioned together734 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Cucumber + oniontop 8% of all pairsAroma overlapstrongMentioned together6,050 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Onion + ricetop 9% of all pairsAroma overlapmoderateMentioned together10,433 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Cucumber + lemontop 9% of all pairsAroma overlapstrongMentioned together2,067 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Lemon + ricetop 12% of all pairsAroma overlapmoderateMentioned together4,366 recipes
Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Butter
- Carries the onion flavour and browns the onions at the start of the soup.
- Spanish onions
- Soften and brown in butter to build the sweet, savoury base of the soup.
- Vegetable marrows
- Bulk out the soup and soften into a tender, moist body as they stew.
- Cucumbers
- Add moisture and a mild, fresh body as they soften during stewing.
- Sour apples or tomatoes
- Add acidity and fruitiness that balance the richness of butter and curry.
- Curry powder
- Provides the spiced aroma and colour that define the soup.
The step that matters
Frying the onions in butter. Butter darkens and can burn if overheated, which turns the flavour bitter. Onions should be only lightly browned before the vegetables go in, so the soup tastes sweet rather than scorched.
Flavor stand-ins for the apple
How well each one fits the dish's main ingredients (cucumber, onion, butter, veal, lemon, rice):
- Avocadobetter flavor fit
- Limebetter flavor fit
- Coconutbetter flavor fit
- Applethe original
Fit is the average pairing score against cucumber, onion, butter, veal, lemon, rice. 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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