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Asparagus on Toast

A simple dish of boiled asparagus served on buttered toast with a creamy sauce.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Asparagus on Toast

Ingredients

Directions

Cook the asparagus

  1. Tie asparagus in bundles and place in boiling water.

  2. Cook until tender, then remove from water and drain.

  3. Untie the bundles and lay asparagus on buttered toast.

Make the sauce

  1. In a saucepan, melt butter and blend in flour.

  2. Pour in hot milk and stir constantly until thickened.

  3. Season sauce with salt and white pepper, then pour over asparagus.

  4. Serve immediately.

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

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

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

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Asparagus + milktop 16% of all pairs
    Smell alikemoderate
    Cooked together650 recipes

    Shared aroma: 1-octen-3-one (mushroom, metallic).

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

Butter
Melts with flour to form a roux that thickens the sauce and adds richness.
Flour
Thickens the melted butter and milk into a smooth, stable sauce.
Milk
Forms the liquid base of the sauce, which thickens as it heats and starch swells.
Asparagus
Provides the main vegetable, cooked until tender so it soaks into the toast.

The step that matters

Stir the sauce constantly while it thickens. Flour starch can clump and scorch on the bottom of the pan if left unstirred. Constant stirring keeps heat even and lets the starch swell evenly, giving a smooth sauce.

Swap the white pepper

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

  1. Cinnamonfits better
  2. Capersfits better
  3. Nutmegfits better
  4. White pepperthe original

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