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 ↓
Asparagus Upon Toast
Ingredients
Directions
Prepare
Trim the woody ends from the asparagus and tie it with soft string.
Cook the asparagus in salted boiling water for about 25 minutes.
Make the toast
Prepare 4 slices of crustless toast.
Dip each slice in the asparagus cooking water.
Butter the toast generously while hot.
Place the toast on a heated dish.
Assemble and serve
Drain the asparagus.
Arrange the asparagus on the toast.
Season with pepper.
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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Asparagus + peppertop 10% of all pairsSmell alikemoderateCooked together1,968 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Asparagus + breadtop 13% of all pairsSmell alikemoderateCooked together363 recipes
Shared aroma: 2-nonenal (fatty, green).
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Bread + peppertop 16% of all pairsSmell alikemoderateCooked together20,964 recipes
Shared aroma: 2-nonenal (fatty, green).
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Asparagus + buttertop 17% of all pairsSmell alikemoderateCooked together2,026 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Asparagus
- Forms the main topping and becomes tender when boiled in salted water.
- Crustless bread
- Provides a soft base that soaks up the asparagus cooking water.
- Butter
- Adds richness and flavour as it melts into the hot toast.
The step that matters
Cook the asparagus for about 25 minutes. Cooking time decides tenderness. Too little leaves the stalks fibrous, while too long turns them soft, limp and dull in colour.
Swap the asparagus
How well each one fits the dish's main ingredients (bread, butter, pepper):
- Capsicumfits better
- Tomatofits about as well
- Potatofits about as well
- Asparagusthe original
Fit is the average pairing score against bread, butter, pepper. 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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