Why it works: Lima beans and carrot match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and 131 recipes mention both. Both carry 2-isobutyl-3-methoxypyrazine, which smells green bell pepper, earthy. The science ↓
The recipe
Ingredients
Contains: milk, wheat (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Prepare the beans
Soak beans overnight.
Drain the beans and add cold water; cook until soft, then rub through a sieve.
Make the soup
Cut the onions and carrots into small cubes, and cook for five minutes in half the butter.
Remove the vegetables, add flour, salt, and pepper, and stir into the boiling soup.
Add cream, reheat, strain, and add the remaining butter in small pieces.
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. See the original page.
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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Lima beans + carrottop 6% of all pairsAroma overlapstrongMentioned together131 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
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Carrot + peppertop 3% of all pairsAroma overlapstrongMentioned together14,555 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Cream + buttertop 3% of all pairsAroma overlapstrongMentioned together41,494 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Onion + carrottop 4% of all pairsAroma overlapstrongMentioned together21,599 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Lima beans + buttertop 6% of all pairsAroma overlapstrongMentioned together414 recipes
Shared aroma: 2,3-pentanedione (butter, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Dried lima beans
- Cooked soft and rubbed through a sieve, they form the body and thickness of the soup.
- Butter
- Enriches the soup with fat and flavour, added at the end for a smooth, rich finish.
- Flour
- Thickens the soup as it is stirred into the boiling liquid.
- Cream or milk
- Adds richness and a silky, creamy texture to the finished soup.
The step that matters
Stirring the flour into the boiling soup. Flour added to hot liquid can clump if not stirred in well. Stirring it in thoroughly before the cream is added gives a smooth, evenly thickened soup.
Flavor stand-ins for the onion
How well each one fits the dish's main ingredients (lima beans, carrot, cream, butter, flour, pepper):
- Potatobetter flavor fit
- Capsicumbetter flavor fit
- Spinachabout as good a flavor fit
- Onionthe original
Fit is the average pairing score against lima beans, carrot, cream, butter, flour, 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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