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 ↓
Caviare Toast
Ingredients
Directions
Prepare the egg bath
In a bowl, mix the egg and milk.
Dip the slices of bread into the egg mixture.
Fry the bread
In a skillet, melt the butter over medium heat.
Fry the bread in the butter until golden brown.
Remove the bread and place it on paper napkins.
Top and serve
Top each slice with Russian caviar mixed with minced onion.
Drizzle with lemon juice 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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Milk + breadtop 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 + oniontop 15% of all pairsSmell alikemoderateCooked together42,912 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
- Egg
- Binds the milk to the bread and sets to form a light, golden coating when fried.
- Milk
- Thins the egg mixture so it soaks into the bread and keeps the coating tender.
- Bread
- Serves as the base that absorbs the egg and crisps in the butter.
- Butter
- Fries the bread, adding fat for browning and a rich flavor.
- Russian caviar
- Provides the salty, briny topping that is the dish's main flavor.
The step that matters
Fry the bread until golden brown. Frying over medium heat lets the egg coating set and brown through the Maillard reaction without burning the butter. Too high a heat darkens the outside while the egg inside stays runny.
Swap the onion
How well each one fits the dish's main ingredients (egg, milk, bread, butter, lemon):
- Asparagusfits better
- Potatofits better
- Leekfits better
- Onionthe original
Fit is the average pairing score against egg, milk, bread, butter, lemon. 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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