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Asparagus on Toast

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

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 and cook

  1. Rinse the asparagus well in cold water to remove all grit.

  2. Tie the stalks together loosely for easy lifting after cooking.

  3. Pour 1 quart of boiling salted water over the asparagus and cook gently for 20 minutes.

Make the sauce

  1. In a saucepan, melt the butter, then stir in the flour, salt, and pepper.

  2. Add the water from cooking the asparagus and cook for a few minutes until thickened.

Serve

  1. Lay the asparagus on a platter with the heads resting on well-toasted slices of white bread.

  2. Pour the sauce over the asparagus and 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

White asparagus
Main vegetable, cooked gently until tender and served on the toast.
Butter
Fat that enriches the sauce and carries flavor.
Flour
Thickens the sauce as its starch swells in the hot liquid.
White bread
Toasted base that holds the asparagus and soaks up the sauce.

The step that matters

Thickening the sauce. Flour must be cooked in the melted butter and the liquid added gradually while stirring, so the starch swells smoothly without lumps. Simmering then cooks out the raw flour taste and sets the sauce's body.

Swap the asparagus

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