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Sweetbreads in Brown Sauce

A dish of sweetbreads simmered in a brown sauce with mushrooms, onions, and spices.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 11 ingredients
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Why it works: Lemon and pepper match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓

Sweetbreads in Brown Sauce

Ingredients

Directions

The book gives no oven temperature. The 300°F (150°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare the sweetbreads

  1. Soak the sweetbreads in salted water for a few hours, then wash well.

  2. Boil the sweetbreads in water for 5 minutes, then place them in cold water for a few minutes.

  3. Trim and remove skin, gristle, and fat; cut each sweetbread into 2 or 3 pieces.

Roast the sweetbreads

  1. Butter a small oven tin, place the sweetbreads in it, and add a small bit of butter on top of each.

  2. Roast in the oven at 300°F (150°C) for about 20 minutes.

Make the sauce

  1. In a saucepan, combine sugar and 1 oz butter; allow to brown.

  2. Add the chopped onion and fry until brown.

  3. Stir in the flour and fry until it begins to look yellow.

  4. Add salt, pepper, cayenne, nutmeg, lemon juice, and water; stir until it boils for about 10 minutes.

  5. Strain the sauce through a fine strainer and return it to the pan.

Finish and serve

  1. Add the sweetbreads and mushrooms; cook gently for about 30 minutes.

  2. Serve with croutons of bread or pieces of pastry.

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. Lemon + peppertop 3% of all pairs
    Smell alikestrong
    Cooked together27,047 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

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

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

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

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

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

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

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

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

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

What each ingredient does

Sweetbreads
Main protein; gentle cooking keeps them tender and succulent.
Butter
Fat that carries flavor and browns the sugar and onion for color.
Flour
Cooked in the butter, it thickens the sauce to a smooth body.
Onion
Browned in the pan, it adds sweetness and savory aroma to the sauce.
Sugar
Browns in butter, adding color and a deeper caramel flavor to the sauce.
Mushrooms
Simmered in the sauce, they add earthy flavor and moisture.

The step that matters

Frying the flour until it just turns yellow. Flour cooked in butter thickens the sauce and loses its raw taste. Stopping too early leaves the sauce pasty and floury, while overcooking darkens it and weakens its thickening power.

Swap the onion

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

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

Fit is the average pairing score against butter, flour, mushroom, lemon, sugar, 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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