Why it works: Onion and potato match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and 9,019 recipes mention both. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
The recipe
8 servingsIngredients
Contains: milk (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Method written by CompKitchen from the ingredient list. Not the original author's method, not kitchen-tested.
In a large pot over medium heat, combine most of the broth with the sliced onion and leeks. Cover and simmer for 8 minutes until softened.
Add the cubed russet potatoes, marjoram, and ground black pepper with the remaining broth. Bring to a boil, then reduce to a simmer, partly covered, for 20 minutes until the potatoes are tender.
While the soup simmers, cook the sliced mushrooms in a skillet over medium-high heat with the reserved broth for about 6 minutes, until the liquid evaporates and the mushrooms lightly brown. Set aside.
Stir the chopped precooked carrots, diced cooked potatoes, and mushrooms into the pot. Simmer for 5 minutes to heat through.
Purée about half of the soup with an immersion blender or in a countertop blender, leaving some chunks for texture.
Stir in the ground cardamom and heavy cream. Season with salt and pepper to taste. Heat gently for 3 minutes without boiling.
Ladle into bowls and serve hot.
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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Onion + potatotop 2% of all pairsAroma overlapstrongMentioned together9,019 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Marjoram + peppertop 2% of all pairsAroma overlapstrongMentioned together2,609 recipes
Shared aroma: estragole (anise, licorice).
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Beef + oniontop 3% of all pairsAroma overlapmoderateMentioned together17,091 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Beef + potatotop 3% of all pairsAroma overlapstrongMentioned together2,051 recipes
Shared aroma: sotolon (curry, maple).
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Marjoram + cardamomtop 3% of all pairsAroma overlapstrongMentioned together18 recipes
Shared aroma: beta-phellandrene (minty, terpene).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Flavor stand-ins for the cardamom
How well each one fits the dish's main ingredients (beef, onion, leek, marjoram, potato, cream, pepper):
- Thymebetter flavor fit
- Celerybetter flavor fit
- Garlicbetter flavor fit
- Cardamomthe original
Fit is the average pairing score against beef, onion, leek, marjoram, potato, cream, 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).
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