Why it works: Onion and pepper are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 68,474 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Brain Cakes
Ingredients
Directions
Prepare the brain
Wash the brain in salt water, remove the skin and fibers, and soak in salt water until needed.
Boil the brain in a stewpan with enough water to cover it, ¼ teaspoon salt, 1 tablespoon vinegar, onion, peppercorns, and bay leaf for about 20 minutes until firm.
Make the cakes
Cool the brain, chop finely, season with salt and pepper, and mix in enough beaten egg to bind the ingredients.
Cook the mixture over low heat until it thickens, then form into small round cakes.
Coat each cake with egg and bread crumbs, then fry in hot fat until lightly browned.
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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Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 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).
-
Onion + vinegartop 14% of all pairsSmell alikemoderateCooked together18,226 recipes
Shared aroma: acetic acid (sour, vinegar).
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Pepper + vinegartop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Onion + breadtop 15% of all pairsSmell alikemoderateCooked together8,676 recipes
Shared aroma: 2,4-decadienal (seaweed).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Calf's brain
- Forms the main body of the cakes once cooked and chopped.
- Eggs
- Bind the chopped brain together and help coat the cakes for frying.
- Bread crumbs
- Form a crisp, browned outer coating on the cakes when fried.
The step that matters
Cooking the mixture over low heat until it thickens. Egg in the mixture sets when heated, so low heat thickens it gently and helps prevent it from curdling or becoming tough before the cakes are formed.
Swap the onion
How well each one fits the dish's main ingredients (egg, bread, pepper, vinegar):
- Capsicumfits better
- Mustardfits better
- Cucumberfits better
- Onionthe original
Fit is the average pairing score against egg, bread, pepper, vinegar. 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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