Why it works: Potato and onion are a kitchen classic. They rank in the top 3% of all ingredient pairs, and cooks put them together in 9,023 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Clam Chowder
Ingredients
Directions
Prepare the broth
Remove black heads from clams and simmer them in water for 30 minutes.
Slowly fry salt pork until brown and dry; then add chopped onions and fry until pale straw color.
Stir in flour and cook for 2 minutes, stirring constantly.
Add the mixture to the water with the clam heads boiling.
Layer and simmer
In a soup kettle, layer potatoes, soft clams, sprinkle with salt and pepper, then add a layer of crushed crackers; repeat until all ingredients are used.
Strain boiling water over layered ingredients, cover, and simmer gently for 20 minutes.
Add milk and bring to a boil.
If desired, strain water over onion, pork, and flour mixture instead of following the initial method.
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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Potato + oniontop 3% of all pairsSmell alikemoderateCooked together9,023 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Potato + porktop 5% of all pairsSmell alikemoderateCooked together2,668 recipes
Shared aroma: sotolon (curry, maple).
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Clam + porktop 9% of all pairsSmell alikemoderateCooked together305 recipes
Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).
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Potato + peppertop 9% of all pairsSmell alikemoderateCooked together8,305 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Potato + milktop 9% of all pairsSmell alikemoderateCooked together3,611 recipes
Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Clams
- Provide the main seafood flavor and tender, chewy bite in the chowder.
- Potatoes
- Add body and starch that thicken the chowder and give it substance.
- Salt pork
- Renders fat that carries savory flavor and browns the base of the chowder.
- Flour
- Thickens the broth into a smooth, creamy consistency when cooked briefly.
- Milk
- Adds creaminess and mild sweetness, rounding out the broth.
- Soft crackers
- Soak up liquid and help thicken the chowder as they layer and simmer.
The step that matters
Frying the flour mixture. Cooking flour briefly in fat removes its raw taste and lets it thicken evenly. Stirring constantly keeps it from scorching or forming lumps.
Swap the onion
How well each one fits the dish's main ingredients (clam, potato, pork, milk, flour, pepper):
- Capsicumfits better
- Asparagusfits about as well
- Tomatofits about as well
- Onionthe original
Fit is the average pairing score against clam, potato, pork, milk, flour, pepper. 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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