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Stewed Onions

Stewed onions simmered in water and served with butter, salt, pepper, or white sauce.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Onion and pepper are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 68,474 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Stewed Onions

Ingredients

Directions

Prepare

  1. Peel the onions under cold water.

Cook

  1. Cook the onions in boiling water, changing the water after 5 minutes and again after 10 minutes.

  2. Simmer the onions until tender.

Serve

  1. Drain the onions and serve with butter, coarse sea salt, and black pepper, or with White Sauce.

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 + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

  2. Butter + saucetop 15% of all pairs
    Smell alikelow
    Cooked together15,338 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

    Shared aroma: decanal (soap, orange peel).

  4. Onion + saucetop 19% of all pairs
    Smell alikelow
    Cooked together10,474 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  5. Butter + peppertop 21% of all pairs
    Smell alikemoderate
    Cooked together85,593 recipes

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

Butter and sauce barely smell alike, yet cooks put them together in 15,338 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

Onions
Main vegetable that becomes soft and mild in flavour as it simmers.
Butter
Adds richness and a smooth, gentle fat coating when served.

The step that matters

Changing the water during cooking. Boiling onions release sharp sulfur compounds that cause bitterness and strong odour. Replacing the water at set intervals removes these compounds, leaving a milder, sweeter result.

Swap the onion

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

  1. Capsicumfits better
  2. Tomatofits about as well
  3. Mustardfits about as well
  4. Onionthe original

Fit is the average pairing score against butter, pepper, sauce. 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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