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Sauce

Brown Onion Sauce

A sauce made with butter, onions, brown gravy, and cayenne.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Butter and onion 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 ↓

Brown Onion Sauce

Ingredients

Directions

Prepare the onions

  1. Cut off both ends of the onions and slice them.

Make the sauce

  1. Melt the butter in a saucepan and add the sliced onions.

  2. Stew the onions over medium heat until lightly colored.

  3. Pour in the brown gravy and boil until the onions are tender.

  4. Strain the sauce to remove the onion pieces.

  5. Season with cayenne and serve hot.

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 + oniontop 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

Butter
Adds richness and carries flavor while the onions cook gently in the pan.
Onions
Release sweetness as they stew and give the sauce its body and flavor.
Brown gravy
Supplies the liquid and savory base that the onions simmer in until tender.

The step that matters

Stew the onions until lightly colored. Cooking over medium heat lets the onions soften and slowly brown, building sweet, deep flavor. Higher heat can scorch the sugars and leave a bitter taste.

“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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