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 ↓
Stewed Tripe
Ingredients
Directions
Prepare the tripe
Blanch the tripe in cold water and bring to a boil.
Strain away the water, remove all fat, and cut the tripe into neat square pieces.
Simmer
In a saucepan, combine the tripe, chopped onion, and milk. Season with pepper and salt.
Bring to a boil, then simmer gently for two hours.
Blend the flour smoothly with a little cold milk, then strain it into the saucepan.
Stir until it boils up, then serve very 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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Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Onion + flourtop 17% of all pairsSmell alikemoderateCooked together32,460 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + peppertop 19% of all pairsSmell alikemoderateCooked together50,459 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Onion + milktop 20% of all pairsSmell alikemoderateCooked 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 body of the stew and becomes tender during long gentle simmering.
- Milk
- Provides the liquid for the stew and gives it a mild, creamy richness.
- Flour
- Thickens the milky liquid as it heats, giving the stew a smoother body.
- Onion
- Adds savory sweetness and aroma as it softens in the simmering liquid.
The step that matters
Blend the flour smoothly before adding it. Flour clumps if added directly to hot liquid, because its starch grains swell unevenly. Mixing it first with a little cold milk separates the grains so the stew thickens evenly.
Swap the onion
How well each one fits the dish's main ingredients (milk, flour, pepper):
- Capsicumfits better
- Arrowrootfits better
- Potatofits better
- 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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