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Potato Salad

A salad of diced potatoes, onions, and eggs, dressed with a butter, flour, vinegar, and water sauce.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Onion and potato are a kitchen classic. They rank in the top 3% of all ingredient pairs, and cooks put them together in 9,023 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Potato Salad

Ingredients

Directions

Make the dressing

  1. Melt the butter in a pan and add the diced onion.

  2. Cook until the onion is soft.

  3. Stir in the flour and cook until it thickens.

  4. Add the vinegar and water, and let it cook for a few minutes.

  5. Stir in the salt.

Assemble

  1. Pour the mixture over the diced potatoes.

  2. Garnish with hard boiled eggs.

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. Onion + potatotop 3% of all pairs
    Smell alikemoderate
    Cooked together9,023 recipes

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

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

    Shared aroma: isobutyraldehyde (malty, green).

  3. Butter + potatotop 13% of all pairs
    Smell alikemoderate
    Cooked together6,456 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  4. Onion + vinegartop 14% of all pairs
    Smell alikemoderate
    Cooked together18,226 recipes

    Shared aroma: acetic acid (sour, vinegar).

  5. Onion + buttertop 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
Adds fat and flavor to the base that cooks the onion.
Flour
Thickens the warm liquid into a smooth, spoonable dressing.
Vinegar
Adds acidity that gives the dressing its tangy flavor.
Potatoes
Form the body of the salad and soak up the dressing.

The step that matters

Stir in the flour and cook until it thickens. Flour must cook in the fat for a short time so it thickens smoothly without a raw, pasty taste. Adding liquid before it is cooked can produce lumps.

Swap the onion

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

  1. Chivefits better
  2. Shallotfits better
  3. Asparagusfits better
  4. Onionthe original

Fit is the average pairing score against butter, flour, vinegar, potato, egg. 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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