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Bread

Mushroom-toast, or Croute Aux Champignons

A toasted bread topped with sautéed mushrooms, butter, spices, and broth.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Mushroom and beef are a kitchen classic. They rank in the top 4% of all ingredient pairs, and cooks put them together in 3,232 recipes. Both carry 2,4-nonadienal, which smells fatty, green. The science ↓

Mushroom-toast, or Croute Aux Champignons

Ingredients

Directions

Prepare the mushrooms

  1. Cut the stems from the mushrooms, peel them, and remove the gills.

Cook the mushrooms

  1. Melt the butter in a saucepan, then add the mushrooms.

  2. Sprinkle the mushrooms with mace and cayenne, and stew over low heat for 10‑15 minutes, stirring often.

  3. Add the flour and stir until lightly browned.

  4. Gradually pour in the gravy or broth, and let the mushrooms simmer for a couple of minutes.

  5. Season with salt and lemon juice.

Serve on toast

  1. Fry the bread in butter until light brown, or grill it after buttering.

  2. Serve the mushroom mixture on the prepared bread.

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. Mushroom + beeftop 4% of all pairs
    Smell alikemoderate
    Cooked together3,232 recipes

    Shared aroma: 2,4-nonadienal (fatty, green).

  2. Butter + breadtop 7% of all pairs
    Smell alikemoderate
    Cooked together27,232 recipes

    Shared aroma: delta-decalactone (sweet, creamy).

  3. Mushroom + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together12,525 recipes

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

  4. Mushroom + breadtop 10% of all pairs
    Smell alikemoderate
    Cooked together2,536 recipes

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

  5. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Butter and flour barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.

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

What each ingredient does

Mushrooms
Form the main body of the topping and release moisture as they stew.
Butter
Carries the flavour, enriches the sauce, and helps the bread brown when fried.
Flour
Thickens the cooking liquid and gives the mushrooms a light, lightly browned base.
Gravy or beef broth
Adds savoury liquid that becomes the sauce around the mushrooms.
Bread
Provides a crisp, toasted base that holds the mushroom topping.

The step that matters

Stirring the flour until lightly browned. Flour must cook long enough to lose its raw taste and brown slightly, but if it scorches it turns bitter. Stirring keeps it even before the liquid is added and thickens the sauce.

Swap the mace

How well each one fits the dish's main ingredients (mushroom, butter, flour, beef, lemon, bread):

  1. Thymefits better
  2. Marjoramfits better
  3. Parsleyfits better
  4. Macethe original

Fit is the average pairing score against mushroom, butter, flour, beef, lemon, bread. 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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