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Sauce

Mustard Thb Common Wat

A simple mustard sauce made from mustard flour, salt, boiling water, and optional powdered sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Mustard and flour are a kitchen classic. They rank in the top 13% of all ingredient pairs, and cooks put them together in 5,066 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Mustard Thb Common Wat

Ingredients

Directions

Make the mustard

  1. Mix the mustard flour and coarse sea salt in a bowl.

  2. Gradually add boiling water until the mixture resembles a thick batter.

  3. Beat the mixture well with a spoon until smooth.

Cool and sweeten

  1. Let it cool before transferring to a mustard jar.

  2. If desired, mix in powdered sugar for added sweetness.

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. Mustard + flourtop 13% of all pairs
    Smell alikemoderate
    Cooked together5,066 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Flour + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  3. Mustard + sugartop 19% of all pairs
    Smell alikemoderate
    Cooked together8,424 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

What each ingredient does

Mustard flour
Provides the sharp mustard flavor and, once hydrated, the thick body of the sauce.
Boiling water
Hydrates the flour so its particles swell and thicken into a smooth paste.

The step that matters

Adding the boiling water gradually. Pouring in all the water at once makes lumps that are hard to beat out. Adding it slowly lets the flour hydrate evenly, so the batter becomes smooth and thick.

Swap the mustard

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

  1. Arrowrootfits better
  2. Beetrootfits better
  3. Sweet potatofits better
  4. Mustardthe original

Fit is the average pairing score against flour, sugar. 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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