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Sauce

Onion Flavour Mushroom Sauce

A savory sauce made with butter, onion, mushrooms, and vegetable broth, seasoned with salt and pepper.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Butter and mushroom are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 12,525 recipes. Both carry trans-2-decenal, which smells waxy, orange. The science ↓

Onion Flavour Mushroom Sauce

Ingredients

Directions

The book gives no cooking times; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

  1. Melt the butter in a saucepan over medium heat.

  2. Add the chopped onion and sauté until translucent.

  3. Stir in the sliced mushrooms and cook until softened.

  4. Pour in the vegetable broth and bring to a simmer.

  5. Season with salt and pepper to taste.

  6. Cook for an additional 5 minutes, then 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 + mushroomtop 7% of all pairs
    Smell alikemoderate
    Cooked together12,525 recipes

    Shared aroma: trans-2-decenal (waxy, orange).

  2. Onion + mushroomtop 10% of all pairs
    Smell alikemoderate
    Cooked together10,626 recipes

    Shared aroma: 2,4-decadienal (seaweed).

  3. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  4. Mushroom + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together13,580 recipes

    Shared aroma: 2-nonenal (fatty, green).

  5. 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 fat and richness, and helps the onion and mushrooms soften and brown gently.
Onion
Releases sweetness and savory depth as it softens and turns translucent in the pan.
Mushrooms
Give savory, earthy flavor and release moisture as they cook down.
Vegetable broth
Provides the liquid base that carries the flavor of the sauce.

The step that matters

Sautéing the onion until translucent. Cooking the onion slowly over medium heat softens it and brings out its sweetness. Rushing it leaves a harsh, raw onion taste in the finished sauce.

Swap the onion

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

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

Fit is the average pairing score against butter, mushroom, 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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