Why it works: Carrot and turnip match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 8,002 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Peas Soup Without Meat or Bones
Ingredients
Directions
Prepare
Rinse the split peas and place them in a large saucepan with the dripping.
Cook over medium heat for 5 minutes, then add the water.
Make the soup
Bring to a boil and skim off any foam.
Add the chopped vegetables and season with salt and pepper.
Boil for 2 hours or until the peas are soft and the soup is thick.
If the soup becomes too thick, add a little boiling 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 their aromas overlap, and how often cooks already put them together.
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Carrot + turniptop 1% of all pairsSmell alikestrongCooked together8,002 recipes
Shared aroma: coumarin (sweet, hay).
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Onion + turniptop 5% of all pairsSmell alikestrongCooked together7,585 recipes
Shared aroma: coumarin (sweet, hay).
-
Pepper + carrottop 6% of all pairsSmell alikestrongCooked together14,555 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Onion + carrottop 6% of all pairsSmell alikemoderateCooked together21,601 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Peas + carrottop 7% of all pairsSmell alikemoderateCooked together2,994 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
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 long simmering to give the soup its body and thickness.
- Dripping
- Fat that carries flavour and adds richness to the soup.
- Onions
- Soften and release sweetness, adding depth to the base flavour.
- Carrots
- Add sweetness and colour while softening into the soup.
- Turnip
- Adds a mild, slightly peppery sweetness as it cooks down.
The step that matters
Boil for 2 hours until the peas are soft. Split peas need a long simmer to break down fully. Stopping early leaves them firm and the soup thin and grainy. Keep the heat steady so the peas cook through without scorching on the base of the pan.
Swap the peas
How well each one fits the dish's main ingredients (pepper, onion, carrot, turnip):
- Lentilsfits better
- Beansfits better
- Chickpeafits better
- Peasthe original
Fit is the average pairing score against pepper, onion, carrot, turnip. 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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