Why it works: Carrot and celery match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and 10,172 recipes mention both. Both carry myristicin, which smells spice, warm. The science ↓
Thick Mulligatawny Soup
Ingredients
Directions
Prepare the base
Melt the butter in a pot.
Add the sliced onion and carrot, and fry until just beginning to brown.
Stir in the curry powder and a good squeeze of lemon juice, cooking over low heat for 4-5 minutes.
Add the flour and stir well.
Simmer the soup
Mix in the chopped apple, tied herbs, celery seeds, and stock.
Stir until boiling, then add the Bovril and a little salt.
Simmer gently for 45-60 minutes.
Adjust seasoning with more salt and lemon juice if necessary.
If the soup is too thick, add more stock or water.
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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Carrot + celerytop 1% of all pairsAroma overlapstrongMentioned together10,172 recipes
Shared aroma: myristicin (spice, warm).
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Celery + lemontop 2% of all pairsAroma overlapstrongMentioned together3,467 recipes
Shared aroma: beta-phellandrene (minty, terpene).
-
Onion + carrottop 4% of all pairsAroma overlapstrongMentioned together21,599 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Onion + celerytop 5% of all pairsAroma overlapmoderateMentioned together18,506 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Carrot + lemontop 5% of all pairsAroma overlapstrongMentioned together3,350 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Butter
- Melts to carry the onion and carrot and begin the fat base of the soup.
- Flour
- Thickens the soup as it cooks with the fat, giving it body.
- Curry powder
- Provides the main spiced, aromatic flavour of the soup.
- Onion
- Softens and browns slightly to build sweetness and savoury depth.
- Apple
- Adds a mild sweetness and fruity acidity that balances the curry spices.
- Stock
- Forms the liquid base of the soup and carries all the flavours.
The step that matters
Stirring in the flour. Flour added to hot fat must be stirred well so it cooks into a smooth roux without lumps. Cooking it briefly removes raw starch taste and lets it thicken the stock evenly once liquid is added.
Flavor stand-ins for the apple
How well each one fits the dish's main ingredients (butter, flour, onion, carrot, celery, lemon):
- Orangebetter flavor fit
- Limebetter flavor fit
- Avocadobetter flavor fit
- Applethe original
Fit is the average pairing score against butter, flour, onion, carrot, celery, lemon. 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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