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Fried Tripe and Onions

Fried tripe and onions served with a butter‑mustard sauce.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Onion and mustard match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 9,259 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Fried Tripe and Onions

Ingredients

Directions

Fry the tripe and onions

  1. Dip the tripe slips in batter.

  2. Fry the battered tripe in boiling lard until golden brown.

  3. Fry the onion slices in the same manner until golden.

Serve

  1. Serve the fried tripe on a plate with the fried onions on top.

  2. In a sauce-boat, combine melted butter with a little mustard and vinegar if desired.

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 + mustardtop 6% of all pairs
    Smell alikestrong
    Cooked together9,259 recipes

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

  2. Mustard + vinegartop 7% of all pairs
    Smell alikemoderate
    Cooked together14,067 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Onion + vinegartop 14% of all pairs
    Smell alikemoderate
    Cooked together18,226 recipes

    Shared aroma: acetic acid (sour, vinegar).

  4. Onion + buttertop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

  5. Butter + mustardtop 22% of all pairs
    Smell alikemoderate
    Cooked together8,003 recipes

    Shared aroma: guaiacol (smoky, sweet).

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, cooked until tender under its golden batter.
Batter
Coats the tripe and crisps into a golden, protective crust when fried.
Lard
Heats the coating quickly, browning the batter and cooking the food through.
Onions
Add sweetness and savour as they brown in the hot lard.
Melted butter
Adds richness and fat to the sauce that accompanies the fried dish.

The step that matters

Frying the battered tripe in boiling lard. If the lard is not hot enough, the batter absorbs fat and turns greasy instead of crisping. Hot fat sets the crust quickly, so the inside stays moist and the outside browns evenly.

Swap the onion

How well each one fits the dish's main ingredients (butter, mustard, vinegar):

  1. Horseradishfits better
  2. Shallotfits better
  3. Radishfits better
  4. Onionthe original

Fit is the average pairing score against butter, mustard, vinegar. 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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