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Tomato Soup

A tomato soup made with meat stock, tomatoes, cracker crumbs, milk, butter, egg, onion, celery salt, salt, and pepper.

From an old cookbook · modernised transcription
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Tomato Soup

Why it works: Tomato and celery are a kitchen classic. They rank in the top 4% of all ingredient pairs, and 3,377 recipes mention both. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Tomato Soup

Ingredients

Directions

  1. Bring the meat stock and tomatoes to a boil in a pot.

  2. Add the sifted cracker crumbs and boil for 10 minutes.

  3. Stir in the rich milk, butter, egg, celery salt, and grated onion.

  4. Let it boil for a few moments, then 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 aroma chemistry they share, and how many recipes mention both.

  1. Tomato + celerytop 4% of all pairs
    Aroma overlapmoderate
    Mentioned together3,377 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  2. Pepper + celerytop 5% of all pairs
    Aroma overlapstrong
    Mentioned together16,012 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  3. Milk + buttertop 7% of all pairs
    Aroma overlapmoderate
    Mentioned together81,283 recipes

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

  4. Celery + oniontop 7% of all pairs
    Aroma overlapmoderate
    Mentioned together18,518 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Tomato + peppertop 7% of all pairs
    Aroma overlapmoderate
    Mentioned together17,923 recipes

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

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, acidity and flavour of the soup.
Cracker crumbs
Thicken the soup as they soak up liquid and swell while boiling.
Rich milk
Adds creaminess and softens the acidity of the tomatoes.
Egg
Enriches the soup and adds body as it heats through.
Meat stock
Supplies the savoury liquid base for the soup.

The step that matters

Adding the milk and egg after boiling. Once milk is combined with acidic tomatoes, prolonged boiling can cause curdling. Adding the milk and egg and then only bringing it to a brief boil helps keep the soup smooth.

Flavor stand-ins for the onion

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

  1. Capsicumbetter flavor fit
  2. Potatobetter flavor fit
  3. Carrotbetter flavor fit
  4. Onionthe original

Fit is the average pairing score against meat, tomato, milk, butter, egg, pepper, celery. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).

“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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