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Bisque of Turnip

A thick soup made from turnips, beet, onion, water, and milk, seasoned with salt and pepper.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Onion and pepper are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 68,474 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Bisque of Turnip

Ingredients

Directions

Cook the vegetables

  1. Place the rutabagas, water, onion, and beet in a soup kettle.

  2. Simmer gently for one hour.

Puree and finish

  1. Press the mixture through a puree sieve back into the kettle.

  2. Add the milk and bring to a boil.

  3. Season with salt and pepper, then serve.

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. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

  2. Rutabaga + oniontop 13% of all pairs
    Smell alikemoderate
    Cooked together189 recipes

    Shared aroma: coumarin (sweet, hay).

  3. Rutabaga + peppertop 17% of all pairs
    Smell alikemoderate
    Cooked together148 recipes

    Shared aroma: coumarin (sweet, hay).

  4. Milk + oniontop 20% of all pairs
    Smell alikemoderate
    Cooked together13,418 recipes

    Shared aroma: hexanal (green, grassy).

  5. Rutabaga + milktop 20% of all pairs
    Smell alikelow
    Cooked together48 recipes

    Shared aroma: 2-methylbutyraldehyde (malty, chocolate).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Rutabagas
Provide the main bulk and a starchy base that becomes thick and smooth when pureed.
Beet
Adds deep colour and a mild earthy sweetness to the soup.
Milk
Adds richness and creaminess, softening the vegetable flavour.
Onion
Adds savoury aroma and depth to the cooking liquid.

The step that matters

Bringing the milk to a boil. Milk contains sugars and proteins that scorch easily on the hot base of the kettle and can boil over quickly. Stir the soup while it heats and watch it closely so the milk does not burn.

Swap the rutabaga

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

  1. Potatofits better
  2. Capsicumfits better
  3. Carrotfits better
  4. Rutabagathe original

Fit is the average pairing score against milk, onion, 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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