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 ↓
Toast Sandwiches
Ingredients
Directions
Prepare the bread
Remove the crust from a loaf of stale bread and cut into very thin slices.
Toast the slices until they are a delicate brown.
Assemble
Lightly butter the toasted slices and spread with potted meat or fish.
Put two slices together and cut them into long strips with a sharp knife.
Arrange the strips tastefully on a dish and serve at tea or evening parties.
Make the egg and sardine filling
Pound sardines and mix with the yolks of pounded hard-boiled eggs.
Use this mixture instead of potted meats.
Alternative: fry the bread
Fry the bread slices in salad oil.
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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Bread + eggtop 13% of all pairsSmell alikemoderateCooked together22,662 recipes
Shared aroma: (e)-2-octenal (fatty, green).
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Bread + meattop 14% of all pairsSmell alikemoderateCooked together2,924 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Butter + meattop 16% of all pairsSmell alikemoderateCooked together7,594 recipes
Shared aroma: guaiacol (smoky, sweet).
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Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Stale bread
- Forms the base of the sandwich; drier bread toasts crisp and holds the spread well.
- Butter
- Adds richness and a thin fat layer that keeps the toast from tasting dry.
- Potted meat or fish
- Provides the savoury, moist filling spread over the toast.
- Sardines
- Supply a rich, salty fish flavour and a paste-like texture in the filling.
- Hard-boiled eggs
- Yolks bind with the mashed sardines, giving the filling a creamy, smooth body.
The step that matters
Toast the slices until they are a delicate brown. Browning is driven by the Maillard reaction, which needs dry surface heat. Stop at a pale golden tone, because over-toasting makes the slices bitter and brittle.
“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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