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Stewed Onions

A dish of boiled onions topped with a butter, flour, and cream sauce 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: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

Stewed Onions

Ingredients

Directions

Prepare

  1. Boil and drain the onions.

Make the sauce

  1. Melt the butter in a saucepan over medium heat until it bubbles.

  2. Gradually stir in the flour and cook until it is lightly browned.

  3. Add the cream or milk, salt, and pepper, stirring until smooth.

Finish and serve

  1. Remove from heat and pour the sauce over the onions.

  2. Simmer for a few minutes before serving.

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. Butter + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

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

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

  3. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: decanal (soap, orange peel).

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

    Shared aroma: isobutyraldehyde (malty, green).

Butter and flour barely smell alike, yet cooks put them together in 124,287 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

Young onions
Provide the main body and sweet, mild flavor of the dish.
Butter
Adds richness and carries flavor in the sauce base.
All-purpose flour
Thickens the sauce when cooked with butter into a roux.
Thin cream or milk
Forms the liquid of the sauce, giving it a smooth, creamy texture.

The step that matters

Stirring the cream or milk into the roux. Adding liquid gradually while stirring keeps the flour evenly dispersed, so the sauce becomes smooth rather than lumpy. Starch in the flour swells as it heats, thickening the sauce.

Swap the onion

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

  1. Spinachfits better
  2. Leekfits better
  3. Potatofits better
  4. Onionthe original

Fit is the average pairing score against butter, flour, cream, 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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