Why it works: Butter and bread 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 ↓
Shrimps on Toast
Ingredients
Directions
Prepare
Wash and drain the can of Bavarian shrimps.
Make the sauce
In a saucepan, melt the butter over medium heat.
Add the flour and stir until smooth, but do not brown.
Pour in the milk and bring to a boil.
Season with white pepper and add minced parsley.
Stir in the shrimps and heat through on low heat.
Serve
Pour the mixture over the toasted bread.
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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Butter + breadtop 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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Milk + breadtop 11% of all pairsSmell alikemoderateCooked together11,466 recipes
Shared aroma: 2-undecenal (sweet).
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Shrimp + buttertop 11% of all pairsSmell alikemoderateCooked together2,931 recipes
Shared aroma: 2,6-nonadienal (cucumber, green).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Butter
- Adds richness and flavour, and forms the base of the roux with the flour.
- Flour
- Thickens the milk into a smooth sauce when cooked briefly with the melted butter.
- Milk
- Forms the liquid body of the creamy sauce.
- Bavarian shrimps
- Supply the main seafood filling and flavour in the sauce.
- Toasted bread
- Provides a crisp base that holds the sauce without soaking through quickly.
The step that matters
Stirring the flour into the melted butter. Stir constantly until the flour and butter form a smooth paste without lumps. Keep it pale, because browning changes the flavour and weakens thickening. Adding milk to unstirred flour leaves lumps, so the sauce ends up uneven.
Swap the white pepper
How well each one fits the dish's main ingredients (shrimp, butter, flour, milk, parsley, bread):
- Capersfits better
- Nutmegfits better
- Thymefits better
- White pepperthe original
Fit is the average pairing score against shrimp, butter, flour, milk, parsley, bread. 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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