Why it works: Onion and potato 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
Start the base
Fry the salt pork slowly in a pot.
Add the chopped onions and cook for three minutes.
Pour in the boiling water.
Finish the chowder
Add the clams, sliced potatoes, salt, and pepper.
Simmer for thirty minutes.
Mix the flour with a little water to make a paste.
Add the paste along with the milk to the pot.
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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Onion + potatotop 3% of all pairsSmell alikemoderateCooked together9,023 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Pork + potatotop 5% of all pairsSmell alikemoderateCooked together2,668 recipes
Shared aroma: sotolon (curry, maple).
-
Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Pork + clamtop 9% of all pairsSmell alikemoderateCooked together305 recipes
Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).
-
Potato + peppertop 9% of all pairsSmell alikemoderateCooked together8,305 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Clams
- The main seafood, providing the chowder's characteristic flavor and texture.
- Potatoes
- Release starch as they cook, thickening the broth and adding body.
- Salt pork
- Renders fat that carries savory flavor into the onions and broth.
- Onions
- Soften and turn sweet in the rendered fat, building the base flavor.
- Flour
- Thickens the milk and broth into a creamy, smooth consistency.
- Milk
- Adds creaminess and richness to the broth.
The step that matters
Mix the flour into a paste before adding it. Flour added dry clumps in hot liquid, because its starch granules coat each other before they can disperse. Mixing it with a little cold water first lets the starch spread evenly, so the chowder thickens smoothly.
Swap the onion
How well each one fits the dish's main ingredients (pork, clam, potato, flour, butter, milk, pepper):
- Capsicumfits better
- Asparagusfits about as well
- Onionthe original
- Chivefits about as well
Fit is the average pairing score against pork, clam, potato, flour, butter, milk, 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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