Why it works: Butter and onion are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 42,912 recipes. Both carry decanal, which smells soap, orange peel. The science ↓
Fried Tripe
Ingredients
Directions
Cut the tripe into long pieces about 3 inches wide.
Dip the tripe in small beer batter or yolks of eggs.
Heat a large pan of fat and fry the tripe until brown.
Remove the tripe and let it drain.
Serve with plain butter.
For boiled tripe, set water to boil with sliced onions and salt.
Add the tripe and cook for 10 minutes.
Serve with the cooking liquid and onions, along with butter and mustard.
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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Butter + oniontop 15% of all pairsSmell alikemoderateCooked together42,912 recipes
Shared aroma: decanal (soap, orange peel).
-
Beer + buttertop 15% of all pairsSmell alikemoderateCooked together680 recipes
Shared aroma: 2-furfurylthiol (coffee, roasted).
-
Beer + oniontop 17% of all pairsSmell alikemoderateCooked together830 recipes
Shared aroma: gamma-nonanolactone (coconut, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Swap the onion
The recipe marks onion as optional. How well each one fits the dish's main ingredients (beer, butter):
- Potatofits better
- Capsicumfits about as well
- Mustardfits about as well
- Onionthe original
Fit is the average pairing score against beer, butter. Candidates are from the same food group and used in at least 100 recipes.
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