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Mock Bisque Soup

A tomato-based soup thickened with flour and butter, flavored with salt, pepper, and baking soda.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Mock Bisque 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 ↓

Mock Bisque Soup

Ingredients

Directions

Prepare the base

  1. Stew the canned tomatoes with salt, pepper, and a pinch of baking soda in a pot.

  2. Boil the milk separately.

Thicken and finish

  1. Add the boiled milk to the stewed tomatoes.

  2. In a bowl, cream together the flour and butter.

  3. Slowly stir the flour-butter mixture into the boiling soup.

  4. Boil everything together for 10 minutes.

  5. Strain and 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.

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. Tomato + peppertop 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. Milk + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Tomato + milktop 15% of all pairs
    Smell alikemoderate
    Cooked together2,226 recipes

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

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

Canned tomatoes
Provide the main body, acidity and flavor of the soup.
Milk
Makes the soup creamy and mellow, and adds richness.
Flour
Thickens the soup by binding with the liquid as it heats.
Butter
Adds fat and richness, and helps blend the flour smoothly.
Baking soda
Neutralizes some tomato acidity, which helps keep the milk from curdling.

The step that matters

Adding the boiled milk to the tomatoes. Tomato acid can curdle milk when the two meet, so the milk should be hot and added to the tomatoes gradually. Baking soda helps neutralize some of that acidity.

Swap the tomato

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

  1. Potatofits better
  2. Capsicumfits better
  3. Chivefits better
  4. Tomatothe 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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