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Lamb Terrapin

A savory sauce of lamb, eggs, butter, mustard, and Worcestershire, served over toast.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

Lamb Terrapin

Ingredients

Directions

Make the sauce

  1. In a saucepan, blend the butter, flour, and mustard over medium heat.

  2. Gradually add the stock and cream.

  3. Cook for 5 minutes after it boils.

Finish and serve

  1. Stir in the yolks of the hard boiled eggs, pressed through a sieve, and the diced lamb.

  2. Heat gently.

  3. Add the chopped whites of the eggs.

  4. Season to taste.

  5. Serve on toast.

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. Butter + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

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

  2. Sauce + creamtop 9% of all pairs
    Smell alikemoderate
    Cooked together4,787 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Mustard + flourtop 13% of all pairs
    Smell alikemoderate
    Cooked together5,066 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Mustard + saucetop 13% of all pairs
    Smell alikemoderate
    Cooked together2,120 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

Cold lamb
Forms the main body of the dish, providing the meat that the sauce coats.
Butter and flour
Together form a roux that thickens the sauce to a smooth, coating consistency.
Stock and cream
Form the liquid base of the sauce, adding body and richness.
Hard boiled eggs
Yolks enrich and thicken the sauce, while chopped whites add texture.

The step that matters

Gradually add the stock and cream. Adding liquid slowly to the hot roux lets starch granules swell evenly, preventing lumps and giving a smooth sauce.

Swap the mustard

How well each one fits the dish's main ingredients (lamb, butter, flour, sauce, cream, egg):

  1. Asparagusfits better
  2. Shallotfits better
  3. Chivefits better
  4. Mustardthe original

Fit is the average pairing score against lamb, butter, flour, sauce, cream, egg. 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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