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 the dried lima beans overnight.
Drain the beans.
Add the beans to 3 pints of cold water.
Cook the beans until tender.
Rub the cooked beans through a sieve.
Make the soup
In a pan, cook the onion and carrot cubes in 2 tablespoons of butter until yellow.
Add the cream or milk, 2 tablespoons of butter, 2 tablespoons of flour, salt, and pepper to the pan.
Stir the mixture into the boiling soup.
Strain the soup.
Serve the soup.
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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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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Butter + creamtop 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
- Form the body of the soup once cooked and rubbed through a sieve.
- Butter
- Carries the onion and carrot flavor and enriches the texture of the finished soup.
- Flour
- Thickens the cream mixture so the soup becomes smooth and velvety.
- Cream or milk
- Adds richness and a creamy, mellow body to the soup.
The step that matters
Stirring the cream mixture into the boiling soup. Flour-thickened dairy can clump or curdle if it meets very hot liquid abruptly. Adding it to the pan first and then stirring it into the soup helps keep the texture smooth.
Flavor stand-ins for the onion
How well each one fits the dish's main ingredients (lima beans, butter, carrot, cream, 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, butter, carrot, cream, 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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