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Smothered Onions

A simple dish of onions cooked slowly in butter until lightly browned and seasoned with salt.

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 ↓

Smothered Onions

Ingredients

Directions

Prepare

  1. Peel the onions, cut them in half, and slice them thinly.

  2. Melt a lump of butter in a sauté pan over medium heat.

Cook and serve

  1. Add the onions and braise them slowly, stirring frequently to prevent burning, until they turn light brown.

  2. Season with salt to taste and serve.

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

Onions
Break down slowly during braising, releasing sugars that brown and turn the onions sweet and deep in flavour.
Butter
Conducts heat evenly across the pan and adds richness and fat that carries flavour.

The step that matters

Braise the onions slowly. Low, steady heat with frequent stirring lets the onions' natural sugars caramelize gradually. Higher heat or neglect scorches the sugars before the onions soften, giving bitter flavour instead of sweetness.

“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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