Why it works: Peas and tomato are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 1,058 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Sweetbreads, Fried
Ingredients
Directions
Prepare
Soak sweetbreads in salt and water for 1 hour to remove dark blood.
Parboil sweetbreads in boiling water for 10 minutes, then drain and cool in cold water.
Remove any loose thick skin and gristle without breaking them.
Coat and fry
Dry sweetbreads, then coat them in flour.
Dip them in beaten egg, then roll in bread crumbs or cracker dust.
If large, split sweetbreads before crumbing.
Fry in hot oil until golden brown.
Serve
Serve around a mound of green peas with bechamel or tomato sauce on the side.
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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Peas + tomatotop 9% of all pairsSmell alikemoderateCooked together1,058 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Bread + tomatotop 10% of all pairsSmell alikemoderateCooked together1,013 recipes
Shared aroma: 2-nonenal (fatty, green).
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Bread + peastop 11% of all pairsSmell alikemoderateCooked together804 recipes
Shared aroma: hexyl acetate (fruity, apple).
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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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Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and egg barely smell alike, yet cooks put them together in 106,462 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
- Sweetbreads
- Main protein; the tender, delicate meat that the crumb coating and frying surround.
- Flour
- Dry coating that helps the beaten egg stick to the sweetbreads.
- Egg
- Binds the flour to the crumbs so the coating adheres during frying.
- Bread crumbs or cracker dust
- Forms the crisp outer layer that browns in the hot oil.
The step that matters
Dry the sweetbreads before coating. Surface moisture stops flour from sticking evenly, so the egg and crumbs can slip off and the coating can steam rather than crisp in the oil.
Swap the tomato
How well each one fits the dish's main ingredients (flour, egg, bread, peas):
- Shallotfits better
- Asparagusfits better
- Leekfits better
- Tomatothe original
Fit is the average pairing score against flour, egg, bread, peas. 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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