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White Onion Sauce

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

White Onion Sauce

Ingredients

Directions

  1. Peel the onions and remove the tops and roots.

  2. Cut the onions in half and place them in cold water.

  3. Cover the onions with more cold water and boil until very tender.

  4. Remove the onions, drain, and press out excess water.

  5. Chop the onions finely and rub them through a sieve or strainer.

  6. In a pan, combine the onion puree with melted butter and cream or milk.

  7. Season with coarse sea salt and bring the sauce to a boil.

  8. Serve the sauce very hot.

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. Butter + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

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

    Shared aroma: decanal (soap, orange peel).

  3. Onion + creamtop 18% of all pairs
    Smell alikelow
    Cooked together10,827 recipes

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

Onion and cream barely smell alike, yet cooks put them together in 10,827 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

Swap the onion

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

  1. Potatofits about as well
  2. Onionthe original
  3. Leekfits about as well
  4. Chivefits less well

Fit is the average pairing score against butter, cream. Candidates are from the same food group and used in at least 100 recipes.

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