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 ↓
Bread Sauce
Ingredients
Directions
Prepare
Allow the grated bread to dry in a paper bag before using.
Boil the onion pieces in the milk, then strain to remove the onion.
Make the sauce
Pour the boiling milk over the bread crumbs and add the peppercorns.
Simmer in a saucepan for about 20 minutes, adding more milk as needed to achieve a smooth consistency.
Remove the peppercorns before serving and stir in the fresh butter.
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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Milk + buttertop 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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Onion + buttertop 15% of all pairsSmell alikemoderateCooked together42,912 recipes
Shared aroma: decanal (soap, orange peel).
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Bread + oniontop 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
- Stale bread
- Absorbs the hot milk and swells into a thick, smooth body for the sauce.
- Milk
- Forms the liquid base that the bread soaks up and simmers into a sauce.
- Butter
- Adds richness and a silky mouthfeel to the finished sauce.
- Onion
- Infuses the milk with mild savoury flavour before being strained out.
The step that matters
Simmering with the bread. Stale bread thickens as it soaks and simmers in milk. Too little liquid leaves the sauce stiff, while too much makes it thin, so adding milk as needed matters for a smooth result.
Swap the onion
How well each one fits the dish's main ingredients (bread, milk, butter):
- Potatofits better
- Tomatofits better
- Asparagusfits about as well
- Onionthe original
Fit is the average pairing score against bread, milk, butter. 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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