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To Stew Onions

A dish of onions stewed in a weak gravy with salt, pepper, and flour.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 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 ↓

To Stew Onions

Ingredients

Directions

Prepare the onions

  1. Peel the onions.

  2. Fry them gently until they are a fine brown, but do not blacken.

Stew the onions

  1. Place the onions in a small stew-pan with weak gravy, salt, and pepper.

  2. Cover and stew gently for two hours.

  3. Lightly flour the onions at the beginning.

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

    Shared aroma: isobutyraldehyde (malty, green).

  3. Pepper + flourtop 19% of all pairs
    Smell alikemoderate
    Cooked together50,459 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Onions
Soften during long stewing and, when browned, add sweet, deep flavour from caramelised sugars.
Weak gravy
Supplies the moisture and savoury liquid in which the onions slowly braise.
Flour
Dusted on the onions, it thickens the cooking liquid into a light sauce as it stews.

The step that matters

Frying to a fine brown without blackening. Gentle frying browns the onions' natural sugars, which builds rich flavour. Too much heat scorches the sugars, leaving bitter, burnt notes that carry into the stew and cannot be removed later.

Swap the onion

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

  1. Arrowrootfits better
  2. Okrafits better
  3. Spinachfits better
  4. Onionthe original

Fit is the average pairing score against pepper, flour. 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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