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Sauce

Onion Sauce

A sauce made with chicken or beef stock, mushrooms, cream, browned flour, and grated onion.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Chicken and mushroom are a kitchen classic. They rank in the top 4% of all ingredient pairs, and cooks put them together in 4,172 recipes. Both carry 1-butyl acetate, which smells fruity, banana. The science ↓

Onion Sauce

Ingredients

Directions

  1. In a saucepan, combine the chicken broth or beef stock with the chopped mushrooms and cream.

  2. Bring the mixture to a boil.

  3. Thicken the sauce with browned flour, then strain it.

  4. Stir in the grated onion and boil for five minutes.

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. Chicken + mushroomtop 4% of all pairs
    Smell alikemoderate
    Cooked together4,172 recipes

    Shared aroma: 1-butyl acetate (fruity, banana).

  2. Chicken + oniontop 8% of all pairs
    Smell alikemoderate
    Cooked together17,814 recipes

    Shared aroma: gamma-nonanolactone (coconut, sweet).

  3. Mushroom + oniontop 10% of all pairs
    Smell alikemoderate
    Cooked together10,626 recipes

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

  4. Mushroom + creamtop 15% of all pairs
    Smell alikelow
    Cooked together4,500 recipes

    Shared aroma: 1-octen-3-one (mushroom, metallic).

  5. Flour + oniontop 17% of all pairs
    Smell alikemoderate
    Cooked together32,460 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

What each ingredient does

Chicken broth or beef stock
Forms the liquid base of the sauce and carries the other flavors.
Mushrooms
Add savory, earthy flavor and body to the sauce.
Cream
Adds richness and a smooth, silky texture.
Browned flour
Starch swells when heated in liquid, thickening the sauce.
Onion
Contributes aroma and sharp, savory flavor that mellows as it cooks.

The step that matters

Thickening with browned flour. Flour thickens only when its starch is dispersed in liquid and heated, so adding it smoothly to the hot mixture prevents lumps and gives an even, glossy sauce.

Swap the onion

How well each one fits the dish's main ingredients (chicken, mushroom, cream, flour):

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

Fit is the average pairing score against chicken, mushroom, cream, flour. 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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