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Doused Spanish Onion

A slow‑cooked onion stew flavored with butter, flour, cloves, pepper, and salt.

From an old cookbook · modernised transcription
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Why it works: Clove and pepper match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 17,451 recipes. Both carry ethyl octanoate, which smells fruity, wine. The science ↓

Doused Spanish Onion

Ingredients

Directions

Prepare

  1. Peel the onion and insert the cloves into it.

  2. Melt the butter in a small saucepan with a little water.

  3. Add the onion and seasonings to the saucepan.

Stew and serve

  1. Stew gently for 3 hours, adding just enough water to prevent burning.

  2. Serve hot in quarters or whole on buttered toast.

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. Clove + peppertop 5% of all pairs
    Smell alikestrong
    Cooked together17,451 recipes

    Shared aroma: ethyl octanoate (fruity, wine).

  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 + clovetop 13% of all pairs
    Smell alikemoderate
    Cooked together16,901 recipes

    Shared aroma: 2-nonanone (fruity, floral).

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

    Shared aroma: decanal (soap, orange peel).

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

Onion
Forms the main body of the dish, softening and turning sweet as it stews slowly.
Butter
Adds richness and fat, helping the onion soften and carry flavour.
Cloves
Add a warm, aromatic spice flavour that infuses the onion as it cooks.

The step that matters

Stew gently and add water as needed. Low, gentle heat over a long time softens the onion and draws out its sweetness. Without enough water, the butter and sugars can scorch on the pan, so small additions of water help prevent burning.

Swap the onion

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

  1. Shallotfits better
  2. Leekfits better
  3. Capsicumfits better
  4. Onionthe original

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