Why it works: Bread and butter 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 ↓
Sweet-breads
Ingredients
Directions
Prepare
Parboil the sweetbreads in boiling water for five minutes, then remove the skin.
Transfer the sweetbreads to cold water until completely cooled.
Slice the sweetbreads, ensuring the slices are not too thin.
Fry and make the gravy
Roll the slices in egg, then in bread crumbs mixed with parsley.
Fry in a mixture of butter and lard (more lard than butter) for twenty minutes until golden brown.
Remove from the pan and add more butter to the gravy.
Stir in a little milk and enough cornstarch to thicken the gravy to the consistency of cream.
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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Bread + buttertop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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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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Bread + milktop 11% of all pairsSmell alikemoderateCooked together11,466 recipes
Shared aroma: 2-undecenal (sweet).
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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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Butter + parsleytop 15% of all pairsSmell alikemoderateCooked together28,563 recipes
Shared aroma: trans-2-hexenal (green, leafy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Sweetbreads
- Form the main body of the dish, becoming tender when parboiled and then fried.
- Egg
- Binds the bread crumbs to the slices so the coating holds during frying.
- Bread crumbs
- Form a crisp, golden coating that browns in the hot fat.
- Butter
- Adds richness and flavor, and helps the coating brown in the pan.
- Lard
- Provides a high-heat frying fat that browns the coating evenly.
- Cornstarch
- Thickens the milk-based gravy to a creamy consistency.
The step that matters
Thickening the gravy with cornstarch. Cornstarch must be stirred in gradually and brought to a simmer so its starch granules swell and thicken the liquid. Adding too much at once can leave lumps or an overly thick, pasty gravy.
Swap the parsley
How well each one fits the dish's main ingredients (egg, bread, butter, milk):
- Nutmegfits better
- Cinnamonfits better
- Parsleythe original
- Capersfits about as well
Fit is the average pairing score against egg, bread, butter, milk. 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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