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To Roast Calf's Liver

A roasted calf's liver served with optional gravy and sauce.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 11 ingredients
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Why it works: Pepper and lemon 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 ↓

To Roast Calf's Liver

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare the liver

  1. Preheat your oven to 350°F (175°C).

  2. If desired, lard the liver with bacon or wrap it in buttered paper.

Roast and finish

  1. Roast the liver for 1 to 1.25 hours, basting constantly.

  2. Remove the paper.

  3. Froth the liver for 10 to 15 minutes before it's done.

  4. Serve with a piquant sauce, such as poivrade or brown eschalot, and good gravy.

Make the gravy

  1. Trim small bits of liver.

  2. Flour the trimmed bits.

  3. Fry the floured bits with sliced onion.

  4. Add 3 cups of water, a few peppercorns, and herbs to the pan.

  5. Season with salt.

  6. Simmer until thickened.

  7. Add lemon juice or pickle for extra flavor.

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. Pepper + lemontop 3% of all pairs
    Smell alikestrong
    Cooked together27,047 recipes

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

  2. Pepper + oniontop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Vinegar + oniontop 14% of all pairs
    Smell alikemoderate
    Cooked together18,226 recipes

    Shared aroma: acetic acid (sour, vinegar).

  5. Pepper + vinegartop 14% of all pairs
    Smell alikemoderate
    Cooked together27,814 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

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

Calf's liver
Forms the main body of the dish, cooked tender and moist by roasting and basting.
Butter
Adds richness and helps the liver brown and stay moist while it roasts.
Bacon
Adds fat and smoky, salty flavor as it melts into the liver during roasting.
Flour
Coats the liver bits so they brown in the pan and help thicken the gravy.

The step that matters

Roast the liver for the stated time, basting constantly. Liver is lean and delicate; overcooking makes it dry, grainy and tough, while constant basting keeps the surface moist and helps it brown evenly.

Swap the onion

The recipe marks onion as optional. How well each one fits the dish's main ingredients (liver, pepper, butter, vinegar, flour, lemon):

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

Fit is the average pairing score against liver, pepper, butter, vinegar, flour, lemon. 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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