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 Soup with Egg and Bread Balls
Ingredients
Directions
Prepare
Peel and dice the potatoes.
Boil the potatoes in water until tender.
Make the bread balls
In a bowl, beat the eggs and mix in the bread crumbs.
Form the mixture into small balls.
Finish the soup
Add the bread balls to the soup and cook until they float.
Season with salt and pepper before serving.
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 + peppertop 9% of all pairsSmell alikemoderateCooked together8,305 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Egg + breadtop 13% of all pairsSmell alikemoderateCooked together22,662 recipes
Shared aroma: (e)-2-octenal (fatty, green).
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Potato + breadtop 15% of all pairsSmell alikemoderateCooked together434 recipes
Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).
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Bread + peppertop 16% of all pairsSmell alikemoderateCooked together20,964 recipes
Shared aroma: 2-nonenal (fatty, green).
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Potato + eggtop 29% of all pairsSmell alikemoderateCooked together4,978 recipes
Shared aroma: (e)-2-octenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Potatoes
- Break down when boiled to thicken the soup and give it body.
- Eggs
- Bind the bread crumbs together and set when cooked, holding the balls together.
- Bread crumbs
- Absorb moisture from the egg and form a soft, tender dumpling texture.
The step that matters
Cooking the bread balls until they float. Adding the balls to a soup that is not simmering can leave them dense or unevenly cooked. The egg needs to set fully in the hot liquid, so keep the soup at a steady simmer while they cook.
Swap the potato
How well each one fits the dish's main ingredients (egg, bread, pepper):
- Capsicumfits better
- Asparagusfits better
- Spinachfits better
- Potatothe original
Fit is the average pairing score against egg, bread, 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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