Why it works: Butter and flour 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 ↓
Tripe with Oysters
Ingredients
Directions
Prepare the tripe
Cut the tripe into small pieces and wash it well in slightly salted water.
Simmer the tripe in the water for 45 minutes.
Thicken and finish
Remove the tripe from the broth and mix it with butter, flour, salt, and pepper.
Simmer the mixture and add more flour if needed to thicken.
Return the tripe to the pot, add the oysters, and simmer for an additional 15 minutes.
Serve hot.
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 + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + oystertop 12% of all pairsSmell alikemoderateCooked together8,184 recipes
Shared aroma: 2,6-nonadienal (cucumber, green).
-
Flour + peppertop 19% of all pairsSmell alikemoderateCooked together50,459 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + peppertop 21% of all pairsSmell alikemoderateCooked together85,593 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Pepper + oystertop 22% of all pairsSmell alikelowCooked together7,663 recipes
Shared aroma: 2-nonenal (fatty, green).
Butter and flour 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
- Tripe
- Provides the main chewy texture and body of the dish.
- Butter
- Adds richness and fat that carries flavour through the sauce.
- Flour
- Thickens the broth into a smooth, lightly bodied sauce.
- Oysters
- Add briny, savoury flavour and tender texture when cooked briefly.
The step that matters
Adding more flour to thicken. Flour needs to be cooked in hot liquid to swell and set. Adding it too little or without simmering leaves the sauce thin or floury-tasting.
“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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