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Tripe and Onions

A stew of dressed tripe simmered with onions, milk, and water, thickened with flour.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Onion and pepper are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 68,474 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Tripe and Onions

Ingredients

Directions

Prepare the tripe

  1. Cut the tripe into 3‑inch squares.

  2. Place the tripe in a stewpan and cover with cold water.

  3. Bring to a boil, then strain the water.

Simmer

  1. Return the tripe to the stewpan and add the milk, water, and salt.

  2. Bring to a boil again, then add the sliced onions and simmer for 3 hours.

  3. Twenty minutes before serving, mix the flour with a little milk until smooth.

  4. Pour the flour mixture into the stewpan, stir until boiling, and simmer for 15 minutes.

  5. Season to taste and 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. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

  2. Milk + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Onion + flourtop 17% of all pairs
    Smell alikemoderate
    Cooked together32,460 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + peppertop 19% of all pairs
    Smell alikemoderate
    Cooked together50,459 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Onion + milktop 20% of all pairs
    Smell alikemoderate
    Cooked together13,418 recipes

    Shared aroma: hexanal (green, grassy).

Milk and flour barely smell alike, yet cooks put them together in 78,219 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

Tripe
Forms the main body of the dish, becoming tender through long simmering.
Onions
Add sweetness and aroma as they soften into the liquid during simmering.
Milk
Adds richness and creaminess to the cooking liquid.
Flour
Thickens the liquid into a smooth, lightly sauced consistency.

The step that matters

Mixing the flour into milk until smooth. Flour added directly to hot liquid clumps, because its starch granules hydrate unevenly. Blending it first with a little cold milk separates the granules so they thicken the sauce evenly.

Swap the onion

How well each one fits the dish's main ingredients (milk, flour, pepper):

  1. Capsicumfits better
  2. Arrowrootfits better
  3. Potatofits better
  4. Onionthe original

Fit is the average pairing score against milk, flour, 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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