Why it works: Celery and carrot match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and 10,173 recipes mention both. Both carry myristicin, which smells spice, warm. The science ↓
Habd Pea Soup
Ingredients
Directions
Prepare the peas
Soak the split peas overnight in water with a small piece of baking soda.
Discard any floating peas and strain the soaked peas.
Cook the soup
Add the peas to the stock along with celery, carrot, onion, and seasoning.
Boil with the lid on until everything is soft, skimming off any scum.
Strain the soup into a warmed tureen, pressing the pulp through with a spoon.
Serve
Serve hot, adding crumbled toast to the tureen before dishing.
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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Celery + carrottop 1% of all pairsAroma overlapstrongMentioned together10,173 recipes
Shared aroma: myristicin (spice, warm).
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Celery + peppertop 5% of all pairsAroma overlapstrongMentioned together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Carrot + peppertop 6% of all pairsAroma overlapstrongMentioned together14,555 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Carrot + oniontop 6% of all pairsAroma overlapmoderateMentioned together21,601 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Celery + oniontop 7% of all pairsAroma overlapmoderateMentioned 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
- Split peas
- Break down during boiling to thicken the soup and give it body.
- Stock
- Provides the savoury base liquid that carries the flavour of the soup.
- Celery
- Adds aromatic flavour as it softens into the soup.
- Onion
- Contributes sweetness and aroma as it cooks down into the base.
- Carrot
- Adds subtle sweetness and body as it softens in the liquid.
The step that matters
Boil with the lid on until everything is soft, skimming off any scum.. Split peas need sustained gentle simmering to fully soften and break down, which thickens the soup. Skimming removes foam and impurities that would otherwise cloud the broth and taste off.
Flavor stand-ins for the onion
How well each one fits the dish's main ingredients (ham, peas, celery, carrot, pepper):
- Turnipbetter flavor fit
- Parsnipbetter flavor fit
- Capsicumbetter flavor fit
- Onionthe original
Fit is the average pairing score against ham, peas, celery, carrot, pepper. 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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