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Sweetbreads Fricasseed Brown

Sweetbreads cooked in a brown gravy with mushroom ketchup.

From an old cookbook · modernised transcription
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Why it works: Beef and mushroom 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 ↓

Sweetbreads Fricasseed Brown

Ingredients

Directions

Prepare and fry

  1. Dust the sweetbreads with flour.

  2. Fry the sweetbreads until golden brown.

Make the sauce

  1. Add beef gravy and season with salt.

  2. Simmer until tender.

  3. Thicken the sauce with a mixture of flour and butter.

  4. Flavor with mushroom ketchup before serving.

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. Beef + mushroomtop 4% of all pairs
    Smell alikemoderate
    Cooked together3,232 recipes

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

  2. Butter + mushroomtop 7% of all pairs
    Smell alikemoderate
    Cooked together12,525 recipes

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

  3. Walnut + mushroomtop 12% of all pairs
    Smell alikestrong
    Cooked together763 recipes

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

  4. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Walnut + flourtop 12% of all pairs
    Smell alikemoderate
    Cooked together5,873 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Flour and butter 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

Sweetbreads
Main protein; frying gives them a golden crust while the inside turns tender in the sauce.
Flour
Coats the sweetbreads to help them brown, and thickens the sauce with butter.
Butter
Combines with flour to form a roux that thickens the sauce and adds richness.
Beef gravy
Forms the body of the sauce, adding savory depth and moisture.
Mushroom ketchup
Adds concentrated savory, umami flavor to the finished sauce.

The step that matters

Frying the sweetbreads until golden brown. Flour-dusted meat browns through the Maillard reaction, which builds flavor and a crisp crust. Overcrowding or low heat makes the pieces steam and turn pale, so the coating and flavor suffer.

Swap the walnut

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

  1. Beansfits about as well
  2. Chestnutfits about as well
  3. Walnutthe original
  4. Sesamefits about as well

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