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 ↓
Potato Rissoles
Ingredients
Directions
Prepare
Mash the potatoes and season with salt and white pepper or cayenne.
Mix in the minced parsley and green onions or shallots.
Add the egg yolks to bind the mixture.
Roll the mixture into small balls.
Fry
Fry the balls in plenty of lard or butter over moderate heat until cooked through.
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 + parsleytop 5% of all pairsSmell alikemoderateCooked together2,855 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Parsley + oniontop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Potato + buttertop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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White pepper + parsleytop 14% of all pairsSmell alikelowCooked together1,451 recipes
Shared aroma: myrcene (balsamic, herbaceous).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Mashed potatoes
- Form the bulk of the rissoles and give a soft, tender interior.
- Egg yolks
- Bind the mixture so the balls hold their shape while frying.
- Lard or butter
- Fries the balls, adding richness and browning the outside.
- Green onions or shallots
- Add mild onion aroma and flavor throughout the mixture.
The step that matters
Fry the balls until cooked through. Use plenty of fat and moderate heat so the outside browns without the centre staying raw. Moderate heat lets the heat reach the middle before the surface darkens too much.
Swap the white pepper
How well each one fits the dish's main ingredients (potato, parsley, onion, egg, butter):
- Thymefits better
- Capersfits better
- Garlicfits better
- White pepperthe original
Fit is the average pairing score against potato, parsley, onion, egg, 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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