Why it works: Tomato and olive are a kitchen classic. They rank in the top 1% of all ingredient pairs, and cooks put them together in 15,539 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓
Spanish Hash
Ingredients
Directions
Brown the minced onion in the butter over medium heat.
Add the cold chopped meat, tomato juice, chili pepper pulp, olives, and salt. Stir to combine.
In a baking dish, layer cold boiled rice, cold chopped potato, and the meat mixture, creating 2 layers of rice and 2 layers of meat.
Finish with rolled crackers and a sprinkle of grated cheese on top.
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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Tomato + olivetop 1% of all pairsSmell alikemoderateCooked together15,539 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Olive + ricetop 6% of all pairsSmell alikestrongCooked together4,994 recipes
Shared aroma: trans,trans-2,4-nonadienal (fatty, green).
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Tomato + ricetop 6% of all pairsSmell alikestrongCooked together3,065 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Tomato + peppertop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + tomatotop 8% of all pairsSmell alikemoderateCooked together20,633 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Swap the onion
How well each one fits the dish's main ingredients (egg, butter, meat, tomato, pepper, olive, rice):
- Capsicumfits better
- Potatofits better
- Asparagusfits better
- Onionthe original
Fit is the average pairing score against egg, butter, meat, tomato, pepper, olive, rice. Candidates are from the same food group and used in at least 100 recipes.
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