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Asparagus Soup

A creamy soup made from boiled asparagus, milk, flour, butter, salt, and pepper.

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

Why it works: Milk and butter 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 Soup

Ingredients

Directions

Prepare the asparagus

  1. Wash the asparagus and boil in salted water for 30 minutes.

  2. Cut off the tops and place them in a soup tureen.

  3. Press the asparagus through a colander.

Make the soup

  1. Heat the milk in a saucepan.

  2. Rub the butter and flour together in a bowl.

  3. Add the heated milk to the butter and flour mixture, stirring continually.

  4. Stir until the mixture thickens.

  5. Add the pressed asparagus to the mixture.

  6. Remove the pot from heat.

  7. Season the soup with salt and pepper.

  8. Pour the soup over the asparagus tops in the tureen.

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.

Photo for illustrative purposes only · Contact us to use it

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

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

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

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

  3. Flour + buttertop 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. Milk + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 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
Provides the main flavour and body of the soup once pressed through a colander.
Milk
Forms the liquid base of the soup and gives it a creamy, smooth texture.
Flour
Thickens the soup when cooked with butter and hot milk.
Butter
Adds richness and helps form a smooth roux with the flour.

The step that matters

Adding the hot milk to the butter and flour. Stirring continually as the hot milk goes in keeps the flour dispersed, which prevents lumps and lets the mixture thicken smoothly.

Swap the asparagus

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

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

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