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Spanish Onions, Stewed

Stewed Spanish onions simmered in broth or gravy until tender, optionally finished with butter.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Onion and butter are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 42,912 recipes. Both carry decanal, which smells soap, orange peel. The science ↓

Spanish Onions, Stewed

Ingredients

Directions

Prepare

  1. Peel the onions, keeping the tops and tails intact.

  2. Place the onions in a stewpan without stacking them.

Stew

  1. Add the broth or gravy and simmer gently until the onions are tender, about 2 hours.

  2. If using butter, stew the onions gradually over low heat until they produce gravy.

Serve

  1. Serve the onions with the gravy poured around them.

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

    Shared aroma: decanal (soap, orange peel).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Spanish onions
Main vegetable; slow stewing turns their sugars sweet and the flesh soft and tender.
Broth or gravy
Liquid that gently cooks the onions and becomes the sauce served with them.
Butter
Adds richness and fat, helping the onions brown lightly and build a rounded flavour.

The step that matters

Simmering gently until tender. Keeping the heat low and the liquid barely simmering lets the onions soften evenly without breaking apart or drying out. Rapid boiling can make the outer layers mushy before the centre is cooked.

“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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