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Asparagus on Toast

A dish of boiled asparagus topped with a butter‑flour gravy served on buttered toast.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 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

Prepare the asparagus

  1. Boil the asparagus until tender, leaving enough water to make gravy.

Make the gravy

  1. In a saucepan, melt the butter over medium heat.

  2. Add salt and pepper to the melted butter.

  3. Stir in the flour to thicken the mixture.

  4. Pour the gravy over the cooked asparagus.

Serve

  1. Serve the asparagus on buttered 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. Asparagus + peppertop 10% of all pairs
    Smell alikemoderate
    Cooked together1,968 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  3. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

  5. Asparagus + breadtop 13% of all pairs
    Smell alikemoderate
    Cooked together363 recipes

    Shared aroma: 2-nonenal (fatty, 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

Asparagus
Forms the main vegetable body of the dish, providing its tender texture and flavor.
Butter
Adds fat and richness, and is melted to carry the seasoning and flour.
Flour
Thickens the melted butter and cooking water into a smooth gravy.
Bread
Provides a crisp, buttered base that holds the asparagus.

The step that matters

Stirring the flour into the butter. Flour must be cooked briefly in the melted butter and whisked into the liquid to avoid lumps and a raw starchy taste; it thickens as its starch swells with heat.

Swap the asparagus

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

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

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