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Plain Asparagus Soup

A soup made from boiled asparagus, milk, butter, flour, and seasonings, served over diced toasted bread.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 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 ↓

Plain Asparagus Soup

Ingredients

Directions

Cook the soup

  1. Boil the asparagus in water until tender.

  2. Return the asparagus through a colander and return to the pot.

  3. Add milk, butter mixed with flour, and cook for 5 minutes.

  4. Season with salt, pepper, and additional butter.

Serve

  1. Serve hot over diced toasted bread.

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. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

  3. Asparagus + peppertop 10% of all pairs
    Smell alikemoderate
    Cooked together1,968 recipes

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

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

    Shared aroma: 2-undecenal (sweet).

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

    Shared aroma: isobutyraldehyde (malty, 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
Provides the main flavor and body of the soup once cooked and puréed through a colander.
Milk
Adds creaminess and a soft, rich texture to the soup.
Flour
Thickens the soup as it cooks with the butter and liquid.
Butter
Adds richness and fat, carrying flavor through the soup.

The step that matters

Cooking the milk with the butter and flour. Once the flour is stirred into the liquid, it needs to cook so it thickens smoothly and loses its raw taste. Stirring keeps lumps from forming, and the milk should be kept below a hard boil so it does not scorch or curdle.

Swap the asparagus

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

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

Fit is the average pairing score against milk, 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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