Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
To Fry Tripe
Ingredients
Directions
Prepare
Wash and dry the prepared tripe.
Cut the tripe into four‑inch squares.
Fry
Dip each piece in egg, then coat with flour.
Fry gently in butter until golden brown.
Finish
In a separate pot, combine vinegar and water, bring to a boil.
Pour the vinegar mixture over the fried tripe.
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.
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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Butter + vinegartop 23% of all pairsSmell alikemoderateCooked together13,513 recipes
Shared aroma: isoamyl acetate (banana, pear).
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Flour + vinegartop 27% of all pairsSmell alikemoderateCooked together8,652 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and butter 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
- Egg
- Helps the flour coating stick to the tripe and sets to a firm crust when fried.
- Flour
- Forms a coating that browns and crisps in the hot butter.
- Butter
- Conducts heat for frying and adds browning and a rich flavour to the crust.
- Vinegar
- Adds sharp acidity that cuts through the rich, fried coating.
The step that matters
Fry gently in butter until golden brown. Butter contains milk solids that scorch at high heat, so gentle frying browns the flour coating evenly without burning it or leaving the tripe undercooked in the centre.
“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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