Why it works: Carrot and celery match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,173 recipes. Both carry myristicin, which smells spice, warm. The science ↓
Carrot Soup
Ingredients
Directions
Prepare the vegetables
Clean and chop the carrots, celery, and onions.
In a saucepan, melt the butter and add the chopped vegetables.
Toss over medium heat until well mixed.
Make the soup
Add the ham cut into pieces and the stock.
Bring to a boil and simmer for 3 to 4 hours until the carrots are soft.
Press the mixture through a sieve back into the saucepan.
Season and serve
Season with salt, pepper, and sugar, then boil for a few minutes.
Remove any scum that appears.
Serve hot with toasted bread cut into dice.
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.
Photo for illustrative purposes only · Contact us to use it
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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Carrot + celerytop 1% of all pairsSmell alikestrongCooked together10,173 recipes
Shared aroma: myristicin (spice, warm).
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Celery + peppertop 5% of all pairsSmell alikestrongCooked together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Carrot + peppertop 6% of all pairsSmell alikestrongCooked together14,555 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Carrot + oniontop 6% of all pairsSmell alikemoderateCooked together21,601 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + celerytop 7% of all pairsSmell alikemoderateCooked together18,518 recipes
Shared aroma: guaiacol (smoky, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Red carrots
- Provide the main body, sweetness and colour of the soup once cooked and pressed.
- Onions
- Add aroma and sweetness as they soften during slow cooking.
- Celery
- Adds a savoury, herbal aroma that forms the soup's background flavour.
- Ham
- Contributes salty, savoury meat flavour that seasons the broth as it simmers.
- Butter
- Adds fat and richness, carrying flavour as the vegetables cook in the pan.
- Broth or stock
- Supplies the liquid that carries the vegetables and ham and becomes the soup's base.
The step that matters
Simmer until the carrots are fully soft. Carrots must be fully tender before straining, because firm pieces will not press through the sieve. Long simmering breaks down the plant cell walls, giving the soup a smooth, thick texture.
Swap the onion
How well each one fits the dish's main ingredients (carrot, celery, pepper, sugar, ham, butter):
- Capsicumfits better
- Parsnipfits better
- Mustardfits better
- Onionthe original
Fit is the average pairing score against carrot, celery, pepper, sugar, ham, butter. 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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