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 on Toast
Ingredients
Directions
The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare
Dry the bread in a 400°F (200°C) oven until crisp, then brown it.
Dip the toasted bread quickly into ½ cup of hot water mixed with ¼ teaspoon salt.
Prepare and cook the asparagus, cutting off the heads.
Assemble and serve
Place the asparagus heads on the toast.
Make a white sauce using asparagus stock instead of milk, and pour it over the toast.
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 + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Asparagus + flourtop 12% of all pairsSmell alikemoderateCooked together936 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Bread + asparagustop 13% of all pairsSmell alikemoderateCooked together363 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).
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
- Bread
- Dried and browned to form a crisp base that holds the toppings.
- Asparagus
- Provides the main vegetable topping and its flavour to the dish.
- Asparagus stock
- Replaces milk in the sauce, adding asparagus flavour and moisture.
- Butter
- Adds fat and richness to the white sauce.
- Flour
- Thickens the white sauce so it coats the toast.
The step that matters
Dipping the toast in hot water. The toast should be dipped quickly so it softens slightly without becoming soggy. Staying in the liquid too long lets the bread absorb too much water and fall apart.
Swap the asparagus
How well each one fits the dish's main ingredients (bread, butter, flour):
- Shallotfits better
- Leekfits better
- Chivefits about as well
- Asparagusthe original
Fit is the average pairing score against bread, butter, flour. 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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