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To Stew Onions with Cream

A dish of boiled Spanish onions simmered with cream, butter, and flour.

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 ↓

To Stew Onions with Cream

Ingredients

Directions

Prepare the onions

  1. Boil the onions in water for 2.5 hours, changing the water three times.

Make the cream sauce

  1. Drain the onions and place them in a saucepan with the cream.

  2. Simmer the onions gently.

  3. Rub the flour and butter together, then stir into the saucepan.

  4. Season with salt and black pepper to taste.

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

Spanish onions
Provide the main bulk and mild sweetness once cooked until very soft.
Cream
Supplies moisture and richness, forming the body of the sauce.
Butter
Adds fat and richness, and helps the flour blend smoothly into the sauce.
Flour
Thickens the cream into a smooth, coating sauce as it heats.

The step that matters

Simmer the onions gently. Cream can scorch on the base of the pan or separate if boiled hard. A gentle simmer lets the flour thicken the sauce evenly and keeps it smooth.

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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