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Stewed Onions

A simple dish of onions cooked in lard, water or milk, thickened with flour and seasoned with salt and pepper.

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

Start the onions

  1. Heat the lard in a frying pan.

  2. Add the sliced onions and fry for a few minutes.

  3. Pour in the hot water or milk.

Stew and season

  1. Sift the flour over the top and cover closely.

  2. Let it stew gently until the onions are tender.

  3. Season with salt and pepper.

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. Milk + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Onion + flourtop 17% of all pairs
    Smell alikemoderate
    Cooked together32,460 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + peppertop 19% of all pairs
    Smell alikemoderate
    Cooked together50,459 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Onion + milktop 20% of all pairs
    Smell alikemoderate
    Cooked together13,418 recipes

    Shared aroma: hexanal (green, grassy).

Milk and flour barely smell alike, yet cooks put them together in 78,219 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
Form the main body of the dish and, as they soften, add natural sweetness.
Lard
Fat that carries the heat and gives the onions a rich, savoury flavour.
Flour
Thickens the cooking liquid into a light, smooth sauce around the onions.
Hot water or milk
Provides moisture for stewing; milk adds richness and a creamier sauce.

The step that matters

Let it stew gently until the onions are tender. Gentle heat under a closed lid softens the onions through while the liquid thickens slowly. Strong heat can scorch the lard and onions before they become tender.

Swap the onion

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

  1. Capsicumfits better
  2. Arrowrootfits better
  3. Potatofits better
  4. Onionthe original

Fit is the average pairing score against milk, flour, pepper. 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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