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Tomato Cream Soup

A tomato soup thickened with butter and crackers, served hot.

From an old cookbook · modernised transcription
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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 ↓

Tomato Cream Soup

Ingredients

Directions

Prepare

  1. Strain the stewed tomatoes to remove seeds.

Make the soup

  1. In a pot, melt the butter over medium heat.

  2. Add the crushed crackers and stir for a minute.

  3. Pour in the boiling milk and mix well.

  4. Add the strained tomatoes and season with salt and pepper.

  5. 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.

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

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

  4. Egg + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  5. Milk + eggtop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 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

Stewed tomatoes
Provide the main body, acidity and flavor of the soup.
Milk
Adds creaminess and softens the tomato's sharpness.
Butter
Adds richness and carries flavor when melted into the pot.
Crushed crackers
Thicken the soup slightly as they absorb liquid and soften.

The step that matters

Pour in the boiling milk and mix well. Adding boiling milk to a thickened base can cause it to curdle or separate. Mixing well as it goes in helps keep the soup smooth and evenly combined.

Swap the tomato

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

  1. Capsicumfits better
  2. Potatofits better
  3. Asparagusfits better
  4. Tomatothe original

Fit is the average pairing score against milk, egg, 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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