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Asparagus on Toast

A simple dish of boiled asparagus topped with a butter‑flour‑milk sauce served over toasted bread.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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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 ↓

Asparagus on Toast

Ingredients

Directions

Cook the asparagus

  1. Cook the asparagus in salted water for 30 minutes.

Make and pour the sauce

  1. In a bowl, mix the flour, butter, and milk until smooth.

  2. Pour the mixture over the cooked asparagus.

Assemble and serve

  1. Place nicely browned toast in a dish.

  2. Pour the asparagus mixture over the toast.

Recipe from a historical cookbook (Internet Archive).

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.

  1. Butter + breadtop 7% of all pairs
    Smell alikemoderate
    Cooked together27,232 recipes

    Shared aroma: delta-decalactone (sweet, creamy).

  2. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  3. Milk + breadtop 11% of all pairs
    Smell alikemoderate
    Cooked together11,466 recipes

    Shared aroma: 2-undecenal (sweet).

  4. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Asparagus + flourtop 12% of all pairs
    Smell alikemoderate
    Cooked together936 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Flour and butter 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

Asparagus
Forms the main vegetable body of the dish and provides its fresh, green flavor.
Flour
Starch thickens the milk and butter into a smooth, pourable sauce.
Butter
Adds fat for richness and a smooth mouthfeel to the sauce.
Milk
Forms the liquid base of the sauce, which the flour thickens.
Bread
Provides the browned toasted base that holds the asparagus sauce.

The step that matters

Mixing the flour, butter, and milk until smooth. Flour starch thickens the sauce only when it is evenly dispersed in the liquid. If the flour is not fully whisked in, it forms lumps that stay dry and give the sauce an uneven texture.

Swap the asparagus

How well each one fits the dish's main ingredients (flour, butter, milk, bread):

  1. Potatofits about as well
  2. Leekfits about as well
  3. Shallotfits about as well
  4. Asparagusthe original

Fit is the average pairing score against flour, butter, milk, 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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