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Soup

French Tomato Soup

A tomato soup made by boiling tomatoes with water, sugar, butter, pepper, and salt, served with fried bread cubes.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 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 ↓

French Tomato Soup

Ingredients

Directions

Make the soup

  1. Boil the water and tomatoes together, then strain the mixture.

  2. Add sugar, butter, pepper, and salt to the strained tomatoes.

  3. Bring the mixture to a boil again.

Serve

  1. Serve in a tureen with cubes of fried 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. Tomato + peppertop 7% of all pairs
    Smell alikemoderate
    Cooked together17,923 recipes

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

  3. Tomato + breadtop 10% of all pairs
    Smell alikemoderate
    Cooked together1,013 recipes

    Shared aroma: 2-nonenal (fatty, green).

  4. Pepper + breadtop 16% of all pairs
    Smell alikemoderate
    Cooked together20,964 recipes

    Shared aroma: 2-nonenal (fatty, green).

  5. Sugar + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

What each ingredient does

Tomatoes
Provide the main body and flavor of the soup once boiled and strained.
Butter
Adds richness and a smooth, rounded mouthfeel to the soup.
Sugar
Balances the acidity of the tomatoes with a touch of sweetness.

Swap the tomato

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

  1. Capsicumfits better
  2. Potatofits about as well
  3. Sweet potatofits about as well
  4. Tomatothe original

Fit is the average pairing score against sugar, butter, 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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