Why it works: Carrot and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 8,053 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓
Cream of Carrot Soup
Ingredients
Directions
Prepare the vegetables
Cook the chopped carrots in 2 cups of water until tender.
Press the cooked carrots through a sieve, reserving the cooking water.
Make the soup
In a double boiler, cook the rice in the scalded milk.
Cook the onion in butter or drippings.
Add flour and seasonings.
Combine the carrot puree with the rice and milk.
Add the reserved cooking water and bring to a boil.
Strain the soup.
Serve
Serve, garnished with chopped parsley.
If the soup is too thick, thin it with additional milk.
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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Carrot + parsleytop 1% of all pairsSmell alikestrongCooked together8,053 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Pepper + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Carrots
- Provide the main body, colour and natural sweetness of the soup.
- Rice
- Releases starch as it cooks, thickening the soup and giving it a fuller texture.
- Milk
- Adds creaminess and moisture, softening the flavour of the vegetables.
- Butter or drippings
- Adds fat that carries flavour and gives a rich mouthfeel.
- Flour
- Thickens the liquid when mixed with fat and heated, giving body to the soup.
- Onion
- Adds savoury aroma and depth as it softens in the fat.
The step that matters
Add the flour evenly before the liquids. Flour clumps easily and tastes raw if not fully blended with the fat. Mixing it smoothly lets its starch thicken the soup evenly as it heats, without lumps.
Swap the onion
How well each one fits the dish's main ingredients (carrot, pepper, parsley, rice, milk, butter, flour):
- Parsnipfits better
- Potatofits better
- Leekfits better
- Onionthe original
Fit is the average pairing score against carrot, pepper, parsley, rice, milk, butter, flour. 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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