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Lyon's Tripe

A Lyon tripe dish cooked with butter, onion, pepper, egg yolk, and parsley.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Pepper and parsley match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Lyon's Tripe

Ingredients

Directions

Prepare

  1. Cut the tripe into small fillets.

  2. Slice the onion and fry in butter without letting it turn brown.

Cook

  1. Season with pepper and salt, then add the tripe.

  2. Stir over a gentle fire until the tripe is cooked.

Finish and serve

  1. Add the yolk of the egg and some chopped parsley, then serve.

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 + parsleytop 2% of all pairs
    Smell alikestrong
    Cooked together34,122 recipes

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

  2. Onion + parsleytop 9% of all pairs
    Smell alikemoderate
    Cooked together25,843 recipes

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

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

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

  4. Butter + oniontop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

  5. Butter + parsleytop 15% of all pairs
    Smell alikemoderate
    Cooked together28,563 recipes

    Shared aroma: trans-2-hexenal (green, leafy).

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

What each ingredient does

Tripe
Forms the main body of the dish, providing its chewy, tender texture when gently cooked.
Butter
Fat that fries the onion gently and carries flavour through the dish.
Onion
Softens and sweetens as it fries in butter, adding aroma to the base.
Egg
Yolk enriches the dish and thickens it slightly into a creamy coating.

The step that matters

Stir over a gentle fire until the tripe is cooked. Gentle heat keeps the tripe tender and prevents the proteins from tightening and toughening. A fierce fire can also scorch the butter and onion, and the yolk added later can scramble if the pan is too hot.

Swap the onion

How well each one fits the dish's main ingredients (butter, pepper, egg, parsley):

  1. Shallotfits better
  2. Chivefits better
  3. Carrotfits better
  4. Onionthe original

Fit is the average pairing score against butter, pepper, egg, parsley. 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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