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 Au Gratin
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
Boil the asparagus until tender, then cut into 1‑inch pieces.
Mix the asparagus with the white sauce, salt, and cayenne pepper.
Transfer the mixture to a gratin dish and smooth it down.
Bake and serve
Sprinkle the grated cheese and bread crumbs on top, then dot with butter.
Bake at 400°F (200°C) until brown and serve immediately.
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).
-
Cheese + breadtop 7% of all pairsSmell alikemoderateCooked together2,130 recipes
Shared aroma: delta-decalactone (sweet, creamy).
-
Cheese + buttertop 8% of all pairsSmell alikemoderateCooked together7,962 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
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).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Asparagus
- Forms the main body of the dish and gives it its vegetable texture and flavor.
- White sauce
- Binds the asparagus and keeps the dish moist and creamy as it bakes.
- Grated american cheese
- Melts into the topping and browns during baking, adding savory flavor and a golden crust.
- Bread crumbs
- Forms a crisp topping that browns in the oven and contrasts with the soft filling.
- Butter
- Adds fat that helps the topping brown and gives it a rich flavor.
The step that matters
Bake until brown. Baking at 400°F until the topping browns develops flavor through the Maillard reaction, but overbaking can dry the sauce and toughen the cheese, so watch the color rather than the clock.
Swap the asparagus
How well each one fits the dish's main ingredients (sauce, pepper, cheese, bread, butter):
- Capsicumfits better
- Tomatofits better
- Mustardfits better
- Asparagusthe original
Fit is the average pairing score against sauce, pepper, cheese, bread, butter. 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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