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Mock Bisque Soup

A tomato-based soup thickened with butter, cornstarch, and milk, seasoned with salt, pepper, and baking soda.

From an old cookbook · modernised transcription
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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. Cook the tomatoes until soft enough to strain.

  2. Add a pinch of baking soda to the tomatoes.

Make the milk sauce

  1. Scald the milk in a double boiler.

  2. Mix the cornstarch with the butter and stir into the hot milk.

  3. Cook in the double boiler for about 5 minutes or until thickened.

Serve

  1. When ready to serve, combine the tomato mixture with the milk and season to taste.

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. Milk + tomatotop 15% of all pairs
    Smell alikemoderate
    Cooked together2,226 recipes

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

  4. Butter + peppertop 21% of all pairs
    Smell alikemoderate
    Cooked together85,593 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  5. Butter + tomatotop 22% of all pairs
    Smell alikemoderate
    Cooked together6,918 recipes

    Shared aroma: 3-hexenal (apple, fruity).

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

What each ingredient does

Milk
Forms the creamy body of the soup once heated and thickened.
Cornstarch
Thickens the hot milk into a smooth, lightly bodied sauce.
Butter
Adds richness and smoothness to the thickened milk.
Tomatoes
Provide the tomato flavour and acidity that gives the bisque its character.
Baking soda
Neutralises some tomato acidity, softening its sharpness and keeping the milk from curdling.

The step that matters

Scald the milk and thicken it gently. Tomato acid can curdle hot milk, so the milk should be heated gently and kept below a hard boil. Cornstarch must be stirred in smoothly so it thickens evenly without lumps.

Swap the tomato

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

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

Fit is the average pairing score against milk, 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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