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Soup

Potage Parmentier

A creamy potato soup made with potatoes, water, heavy cream, butter, and salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Potage Parmentier

Why it works: Cream and butter are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

Potage Parmentier

Ingredients

Directions

The book gives no cooking times; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Prepare the potatoes

  1. Peel and chop the potatoes.

  2. In a pot, combine the potatoes and water; bring to a boil.

  3. Reduce heat and simmer until potatoes are tender, about 20 minutes.

  4. Drain the potatoes, reserving some cooking liquid.

Mash and serve

  1. Mash the potatoes, adding cream and butter until smooth.

  2. If too thick, add reserved cooking liquid to reach desired consistency.

  3. Season with salt to taste and serve hot.

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. Cream + buttertop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

  2. Potato + buttertop 13% of all pairs
    Smell alikemoderate
    Cooked together6,456 recipes

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

  3. Potato + creamtop 17% of all pairs
    Smell alikelow
    Cooked together2,481 recipes

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

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

What each ingredient does

Potatoes
Their starch provides the body and thick texture of the soup once mashed.
Heavy cream
Adds fat and richness, giving the soup a smooth, velvety mouthfeel.
Butter
Adds fat and flavor, helping the mashed potatoes turn smooth and rich.

The step that matters

Mashing with cream and butter until smooth. Potato starch turns gluey if overworked, so mash gently and stop once smooth. Adding the cream and butter with the potatoes still warm helps them blend evenly into a silky texture.

Swap the potato

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

  1. Potatothe original
  2. Onionfits about as well
  3. Leekfits less well
  4. Chivefits less well

Fit is the average pairing score against cream, butter. 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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