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Tomato Bisque

A tomato bisque made with flour, butter, salt, pepper, sugar, tomatoes, and cold milk.

From an old cookbook · modernised transcription
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Tomato Bisque

Why it works: Butter and milk 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 ↓

Tomato Bisque

Ingredients

Directions

Make the bisque

  1. Combine flour, butter, salt, pepper, and sugar in a soup kettle and rub to a cream.

  2. Add the pressed tomatoes and stir over heat until it boils.

  3. Let it boil for 1 minute.

  4. Stir in the cold milk and continue stirring until it boils again.

Serve

  1. Serve immediately.

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. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

  2. Pepper + tomatotop 7% of all pairs
    Smell alikemoderate
    Cooked together17,923 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. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Flour + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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

Flour
Thickens the bisque as it cooks with the butter and liquids.
Butter
Adds richness and fat, and helps form a smooth base with the flour.
Tomatoes
Provide the main flavor and body of the soup.
Milk
Adds creaminess and mellows the tomato acidity.

The step that matters

Stir in the cold milk and keep stirring until it boils again. Milk can curdle or scorch when it meets hot acidic tomato. Adding it cold and stirring constantly keeps it smooth as it heats back up to a boil.

Swap the tomato

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

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

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