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 ↓
Fish Chowder
Ingredients
Directions
Prepare the base
In a kettle, place pieces of fat salt pork and render the fat, then remove the scraps.
Layer and cook
Layer fish, potatoes, onions, and split soda crackers in the kettle, seasoning with pepper and coarse sea salt between layers.
Continue layering until all ingredients are used.
Pour in just enough water or milk to reach the top when pressed down.
Cook until the onions are tender without stirring.
Add milk to cover the mixture well and a good-sized piece of butter.
Serve
Serve hot.
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).
-
Pork + potatotop 5% of all pairsSmell alikemoderateCooked together2,668 recipes
Shared aroma: sotolon (curry, maple).
-
Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Potato + peppertop 9% of all pairsSmell alikemoderateCooked together8,305 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
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
- Fat salt pork
- Rendered fat adds savory flavour to the broth and the layers above it.
- Potatoes
- Starch thickens the liquid slightly and gives the chowder body.
- Boston soda crackers
- Absorb liquid and break down, thickening the chowder and adding body.
- Fish
- Provides the main protein and flakes into the broth as it cooks.
- Butter
- Adds richness and a silky mouthfeel to the finished broth.
The step that matters
Cook until the onions are tender without stirring. Stirring breaks up the layered fish and potatoes and can scorch the bottom of the kettle. Gentle, undisturbed cooking keeps the layers intact while the onions soften fully.
Swap the onion
How well each one fits the dish's main ingredients (pork, fish, potato, pepper, milk, butter):
- Capsicumfits better
- Tomatofits about as well
- Asparagusfits about as well
- Onionthe original
Fit is the average pairing score against pork, fish, potato, pepper, milk, butter. 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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