Why it works: Potato and parsley are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 2,855 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Potato Boulettes
Ingredients
Directions
Prepare the puree
Boil the potatoes.
Mash them while hot.
Mix in the chopped parsley and yolks of eggs.
Add the butter and boiled milk to the puree.
Fold in the beaten egg whites last.
Shape and fry
Sprinkle flour on a surface.
Make balls of the puree.
Roll the balls in the flour.
Heat boiling fat in a pan.
Fry the balls until brown.
Serve dry with fried parsley.
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 + parsleytop 5% of all pairsSmell alikemoderateCooked together2,855 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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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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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Parsley + flourtop 12% of all pairsSmell alikemoderateCooked together16,675 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour barely smell alike, yet cooks put them together in 124,287 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 puree, giving the boulettes their soft, starchy body.
- Butter
- Adds fat and richness, softening the texture and carrying flavor.
- Egg yolks
- Bind the puree and add richness to hold the balls together.
- Beaten egg whites
- Lighten the puree with trapped air, giving a more tender interior.
- Flour
- Dusts the outside of the balls so they brown and crisp when fried.
- Boiled milk
- Adds moisture and softness to the puree.
The step that matters
Fold in the beaten egg whites last. Egg whites trap air only if they stay whipped; overmixing deflates them and makes the boulettes dense rather than light.
Swap the parsley
How well each one fits the dish's main ingredients (potato, egg, butter, milk, flour):
- Nutmegfits better
- Cinnamonfits about as well
- Parsleythe original
- Capersfits about as well
Fit is the average pairing score against potato, egg, butter, milk, 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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