Why it works: Butter and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓
Herring Balls
Ingredients
Directions
Prepare the fish
Partly boil the bloaters or herrings, then remove the skin and bones.
Shape the balls
Mix the fish meat with the mashed potatoes, butter, and cream until well combined.
Form the mixture into balls.
Roll each ball in beaten egg and then in bread crumbs.
Fry
Fry the balls in lard or butter 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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Butter + breadtop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Cream + buttertop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Butter + potatotop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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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).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Beaten egg helps the bread crumbs adhere and forms a golden coating when fried.
- Mashed potatoes
- Adds starch and moisture, helping the fish mixture bind and stay soft inside.
- Butter
- Adds richness and flavor to the filling and browns in the frying fat.
- Cream
- Adds moisture and richness, keeping the filling tender rather than dry.
The step that matters
Rolling in egg and bread crumbs. The egg must coat the balls evenly so the crumbs stick. Gaps let the mixture break apart or absorb fat unevenly during frying.
Swap the potato
How well each one fits the dish's main ingredients (cream, butter, egg, bread):
- Leekfits about as well
- Asparagusfits about as well
- Potatothe original
- Chivefits about as well
Fit is the average pairing score against cream, butter, egg, bread. 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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