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Tomato Sauce

A sauce made from tomatoes, onion, bay leaf, and clove, thickened with flour and butter.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Tomato and onion are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 20,633 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Tomato Sauce

Ingredients

Directions

  1. Cook the tomatoes, onion, bay leaf, and clove together for 10 minutes; then strain the mixture.

  2. Rub the flour and butter or drippings together until smooth.

  3. Add the strained tomatoes to the flour mixture and cook over moderate heat until the sauce thickens.

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 + oniontop 8% of all pairs
    Smell alikemoderate
    Cooked together20,633 recipes

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

  2. Tomato + clovetop 12% of all pairs
    Smell alikemoderate
    Cooked together3,474 recipes

    Shared aroma: ethyl caproate (fruity, apple peel).

  3. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Clove + oniontop 13% of all pairs
    Smell alikemoderate
    Cooked together16,901 recipes

    Shared aroma: 2-nonanone (fruity, floral).

  5. Onion + buttertop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

Flour and butter 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

Tomatoes
Provide the main body, acidity and flavor of the sauce.
Flour
Thickens the sauce as it cooks with the butter or drippings.
Butter or drippings
Adds richness and fat, and combines with the flour to form a smooth roux.

The step that matters

Adding the tomatoes to the flour mixture. Flour thickens only when it is cooked in fat and liquid together. Adding the tomatoes gradually while stirring prevents lumps, and moderate heat lets the starch swell evenly so the sauce thickens smoothly.

Swap the clove

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

  1. Garlicfits better
  2. Capersfits better
  3. Thymefits better
  4. Clovethe original

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