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Sauce

Mustard Sauce

A sauce made from ground mustard, vinegar, pepper, salt, and butter.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Mustard and vinegar are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 14,067 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Mustard Sauce

Ingredients

Directions

  1. Combine mustard, vinegar, pepper, salt, and butter in a small saucepan.

  2. Place the saucepan in a larger pan of boiling water.

  3. Cook until the sauce thickens, stirring often.

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 + vinegartop 7% of all pairs
    Smell alikemoderate
    Cooked together14,067 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Mustard + peppertop 9% of all pairs
    Smell alikemoderate
    Cooked together15,430 recipes

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

  3. Vinegar + peppertop 14% of all pairs
    Smell alikemoderate
    Cooked together27,814 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  4. Pepper + buttertop 21% of all pairs
    Smell alikemoderate
    Cooked together85,593 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  5. Mustard + buttertop 22% of all pairs
    Smell alikemoderate
    Cooked together8,003 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

Ground mustard
Provides the sharp, pungent flavour that defines the sauce.
Vinegar
Adds acidity that sharpens the flavour and balances the richness of the butter.
Butter
Adds fat that melts into the sauce, giving it a rich, smooth texture.

The step that matters

Cook until the sauce thickens, stirring often. Setting the saucepan in a larger pan of boiling water keeps the heat gentle. Stirring often keeps the butter blended in and helps prevent the sauce from scorching or separating.

Swap the mustard

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

  1. Capsicumfits better
  2. Mustardthe original
  3. Cabbagefits less well
  4. Onionfits less well

Fit is the average pairing score against vinegar, pepper, 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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