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Tomato and Pea Soup

A tomato and pea soup served over diced fried bread.

From an old cookbook · modernised transcription
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Why it works: Tomato and pepper are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 17,923 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Tomato and Pea Soup

Ingredients

Directions

Make the soup

  1. Empty the can of tomatoes into a pot.

  2. Add 3 pints of stock and bring to a boil.

  3. Reduce heat and simmer for 1 hour.

  4. Strain the mixture, rubbing the pulp through a colander.

  5. Add the leftover pea porridge and season with salt and pepper.

  6. Simmer for an additional 15 minutes.

Serve

  1. Serve over diced fried bread in a tureen.

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. Tomato + peppertop 7% of all pairs
    Smell alikemoderate
    Cooked together17,923 recipes

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

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

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

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

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

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 base.
Stock
Supplies the liquid that carries and dilutes the soup base.
Leftover pea porridge
Thickens the soup and adds body and savoury flavour.

Swap the tomato

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

  1. Capsicumfits better
  2. Tomatothe original
  3. Spinachfits less well
  4. Carrotfits less well

Fit is the average pairing score against 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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