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Tomato Sauce

A sauce made from butter, flour, water, tomato, onion juice, salt, and pepper.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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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 Sauce

Ingredients

Directions

Make the sauce

  1. Heat the butter in a saucepan.

  2. Remove from heat and stir in the flour.

  3. Add the water and stir well.

  4. Mix in the strained tomato, onion juice, salt, and pepper.

  5. Bring to a boil and cook for 5 minutes.

Serve

  1. Serve hot with boiled macaroni, meat, baked eggs, or fish.

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. Onion + tomatotop 8% of all pairs
    Smell alikemoderate
    Cooked together20,633 recipes

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

  3. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

  4. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Butter + oniontop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

Butter and flour 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

Butter
Fat that carries flavor and gives the sauce a rich, smooth mouthfeel.
Flour
Starch that thickens the liquid into a sauce when heated with the butter and water.
Strained tomato
Main body and flavor of the sauce, providing acidity and tomato taste.

The step that matters

Stir the flour into the butter off the heat, then add the water gradually. Adding liquid to flour and fat without stirring can form lumps, because starch clumps before it disperses. Removing the pan from heat first and stirring steadily keeps the roux smooth before the liquid goes in.

Swap the tomato

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

  1. Chivefits better
  2. Okrafits better
  3. Leekfits better
  4. Tomatothe original

Fit is the average pairing score against butter, onion, flour, 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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