Why it works: Cream and butter are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓
Potato Kolls
Ingredients
Directions
Make the dough
Combine the mashed potatoes, egg yolks, cream, butter, salt, and nutmeg in a bowl and beat the mixture thoroughly.
Let the mixture cool.
Shape and coat
Shape the mixture into rolls, flattening each end.
Dip each roll in beaten egg, then coat with cracker crumbs.
Fry
Fry 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.
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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Cream + buttertop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Potato + nutmegtop 8% of all pairsSmell alikemoderateCooked together1,052 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Cream + nutmegtop 13% of all pairsSmell alikemoderateCooked together7,920 recipes
Shared aroma: acetic acid (sour, vinegar).
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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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Butter + nutmegtop 16% of all pairsSmell alikemoderateCooked together24,377 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Potatoes
- Provide the bulk of the mixture and a soft, moist interior.
- Egg yolks
- Bind the mashed potato and add richness to the rolls.
- Butter
- Adds fat for richness and a softer, tender texture.
- Cracker crumbs
- Form a crisp, browned outer coating when fried.
The step that matters
Let the mixture cool before shaping. A warm, soft potato mixture is sticky and hard to shape, and it can fall apart or absorb too much egg and crumb. Cooling firms it so the rolls hold their form in the hot lard.
Swap the potato
How well each one fits the dish's main ingredients (egg, cream, butter, nutmeg):
- Leekfits about as well
- Spinachfits about as well
- Potatothe original
- Chivefits about as well
Fit is the average pairing score against egg, cream, butter, nutmeg. 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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