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
Place the slice of bread in 2 cups of water.
Chop the onion and add it to the water.
Boil the mixture.
Season with pepper.
Rub the mixture through a fine sieve into a small saucepan.
Add salt, butter, and cream.
Bring to a boil and serve hot.
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 + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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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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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
- Bread
- Thickens the sauce as it softens and breaks down in the liquid.
- Onion
- Adds savoury, aromatic flavour to the water as it simmers.
- Butter
- Adds richness and a smooth, silky mouthfeel to the finished sauce.
- Cream
- Adds richness and softens the sauce's texture at the end.
The step that matters
Rub the mixture through a fine sieve. Pressing the softened bread and onion through a fine sieve breaks down solids and creates a smooth texture. Skipping or rushing this step leaves lumps and fibres in the sauce.
Swap the onion
How well each one fits the dish's main ingredients (bread, pepper, butter, cream):
- Potatofits about as well
- Capsicumfits about as well
- Spinachfits about as well
- Onionthe original
Fit is the average pairing score against bread, pepper, butter, cream. 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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