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To Stew Onions

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

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 and fry

  1. Peel the onions.

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

Stew

  1. Place the onions in a small stewpan 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
Main ingredient; gentle frying browns their sugars, adding sweetness and depth as they stew.
Weak gravy
Provides moisture and savoury flavour while the onions stew slowly.
Flour
Lightly dusted onions help thicken the cooking liquid into a body-rich sauce.

The step that matters

Fry gently until a fine brown, without blackening. Gentle frying lets the onion sugars brown slowly, building sweet, savoury flavour. Once they blacken, the sugars turn bitter and that bitterness carries into the finished stew.

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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