Why it works: Potato and pepper are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 8,305 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Potato Rolls
Ingredients
Directions
Prepare the potatoes
Boil and wash the potatoes.
Add salt, pepper, and a little milk to the potatoes.
Shape and fry
Beat the eggs lightly and mix them with the potato mixture.
Shape the mixture into small rolls and coat with flour.
Fry the rolls in hot lard until golden brown.
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.
Photo for illustrative purposes only · Contact us to use it
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 + 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).
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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Potato + flourtop 15% of all pairsSmell alikemoderateCooked together5,355 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
Milk and flour barely smell alike, yet cooks put them together in 78,219 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Potatoes
- Form the bulk of the rolls, giving a soft, starchy interior.
- Eggs
- Bind the potato mixture so the rolls hold their shape.
- Flour
- Coats the outside so the rolls brown and crisp when fried.
- Lard
- Fries the rolls in hot fat, browning the surface and adding richness.
The step that matters
Frying the rolls in hot lard. If the lard is not hot enough, the flour coating absorbs fat and the rolls become greasy and pale instead of crisp. Enough heat sets the coating quickly and gives golden browning through the Maillard reaction.
Swap the potato
How well each one fits the dish's main ingredients (pepper, milk, egg, flour):
- Capsicumfits better
- Asparagusfits about as well
- Spinachfits about as well
- Potatothe original
Fit is the average pairing score against pepper, milk, egg, flour. 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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