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Stewed Onions

Stewed onions simmered in water, milk, butter, salt, and pepper until tender.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Stewed Onions

Ingredients

Directions

Prepare

  1. Trim, tail, and skin the onions.

  2. Soak them in cold water for at least 30 minutes.

Stew

  1. Place the onions in a saucepan and cover with hot water.

  2. When half cooked, drain all but 1 cup of water.

  3. Add the milk, butter, salt, and pepper.

  4. Stew gently until tender, then transfer to a deep dish.

  5. If the onions are strong, boil them in three changes of water, discarding the first two and keeping a little of the third to mix with the milk.

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. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

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

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

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

    Shared aroma: decanal (soap, orange peel).

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

    Shared aroma: hexanal (green, grassy).

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

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

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 soften into a tender, mild vegetable base.
Milk
Adds creaminess and mellows the sharp sulfur flavour of the onions.
Butter
Adds richness and a smooth, rounded fat to the stewed onions.

The step that matters

Stew gently until tender. Gentle heat lets onions soften evenly without boiling apart or scorching. Cooking them too hard can make them mushy or break the milk-based sauce.

Swap the onion

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

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

Fit is the average pairing score against milk, butter, 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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