Why it works: Tomato and pepper are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 17,923 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Liver, Mexican Style
Ingredients
Directions
The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the liver
Parboil the liver slices until partially cooked.
Roll the liver in flour to coat.
Layer and bake
In a baking dish, layer the sliced onions at the bottom.
Add the sliced tomatoes on top of the onions.
Sprinkle the minced peppers over the tomatoes.
Place the floured liver on top of the vegetables.
Lay the bacon slices over the liver.
Bake in a moderate oven at 350°F (175°C) for 1 hour.
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 + peppertop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Tomato + oniontop 8% of all pairsSmell alikemoderateCooked together20,633 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Liver + oniontop 15% of all pairsSmell alikelowCooked together1,420 recipes
Shared aroma: furaneol (caramel, strawberry).
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Onion + flourtop 17% of all pairsSmell alikemoderateCooked together32,460 recipes
Shared aroma: isobutyraldehyde (malty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Liver
- Provides the main protein; parboiling and flouring firm the surface before baking.
- Bacon
- Renders fat over the liver during baking, adding moisture and savory browning.
- Onions
- Form a sweet, soft base layer that softens and flavors the dish as it bakes.
- Tomatoes
- Add acidity and moisture that combine with the onions into a sauce as they bake.
The step that matters
Parboil the liver until partially cooked. Liver overcooks and turns tough and grainy quickly. Partial cooking first means the final hour in the oven finishes it without drying it out.
Swap the tomato
How well each one fits the dish's main ingredients (liver, onion, pepper, flour):
- Chivefits better
- Turnipfits better
- Carrotfits better
- Tomatothe original
Fit is the average pairing score against liver, onion, pepper, flour. 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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