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Stewed Onions

A dish of young onions stewed in milk, butter, and seasonings.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 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 the tops and tails of the onions and remove the skins.

  2. Soak the onions in cold water for at least 30 minutes.

Stew

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

  2. When the onions are half cooked, drain all but ¼ cup of the water.

  3. Add ¼ cup of milk, 1 tablespoon of butter, and season with pepper and salt.

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

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

Young onions
Form the main body of the dish, becoming soft and sweet as they stew.
Milk
Adds creaminess and mild sweetness to the cooking liquid, giving a silky finish.
Butter
Adds richness and a smooth, rounded flavour to the stewing liquid.

The step that matters

Stew gently until the onions are tender. High heat can make milk-based liquid scorch or separate and can toughen the onions' texture. Gentle, steady heat lets the onions soften evenly and the milk thicken slightly into a smooth 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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