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Sauce

Tomato Mustard

A sauce made from tomatoes, peppers, spices, mustard, and vinegar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 13 ingredients
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Why it works: Allspice and clove match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 7,874 recipes. Both carry estragole, which smells anise, licorice. The science ↓

Tomato Mustard

Ingredients

Directions

Make the sauce

  1. Peel the tomatoes and boil them with the red peppers for 1 hour.

  2. Add the other spices (except mustard and vinegar) and boil for another hour.

  3. Strain the sauce through a colander and let it cool.

Finish

  1. Once cooled, mix in the mustard and vinegar.

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. Allspice + clovetop 1% of all pairs
    Smell alikestrong
    Cooked together7,874 recipes

    Shared aroma: estragole (anise, licorice).

  2. Ginger + clovetop 1% of all pairs
    Smell alikestrong
    Cooked together6,038 recipes

    Shared aroma: estragole (anise, licorice).

  3. Garlic + oniontop 1% of all pairs
    Smell alikestrong
    Cooked together29,058 recipes

    Shared aroma: furaneol (caramel, strawberry).

  4. Ginger + allspicetop 1% of all pairs
    Smell alikestrong
    Cooked together2,620 recipes

    Shared aroma: estragole (anise, licorice).

  5. Tomato + garlictop 3% of all pairs
    Smell alikemoderate
    Cooked together14,076 recipes

    Shared aroma: furaneol (caramel, strawberry).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Ripe tomatoes
Form the base of the sauce, providing bulk, body and natural acidity as they cook down.
Mustard
Adds sharp, pungent flavour that defines the sauce.
Vinegar
Adds acidity that sharpens the flavour and helps preserve the sauce.
Onions
Add savoury sweetness and aroma as they cook down into the sauce.
Red peppers
Add heat and body, contributing flavour and colour to the sauce.

The step that matters

Mix in the mustard and vinegar only after cooling. Mustard's pungency and vinegar's sharpness can turn harsh or lose their bite when heated for long periods, so adding them once the sauce has cooled keeps their flavour fresh and bright.

Swap the mace

How well each one fits the dish's main ingredients (tomato, pepper, ginger, allspice, clove, garlic, onion):

  1. Cuminfits better
  2. Thymefits better
  3. Turmericfits better
  4. Macethe original

Fit is the average pairing score against tomato, pepper, ginger, allspice, clove, garlic, onion. 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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