Why it works: Beef and pork match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 5,690 recipes. Both carry 12-methyltridecanal, which smells tallowy, beefy. The science ↓
Beef Loaf with Tomatoes
Ingredients
Directions
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare
Preheat the oven to 350°F (175°C).
Soak the bread crumbs in cold water and then drain.
Mix and bake
In a large bowl, combine the chopped beef, chopped pork, soaked bread crumbs, and finely chopped onion.
Add the tomatoes and season with pepper and coarse sea salt. Mix all ingredients thoroughly.
Transfer the mixture to a loaf pan and bake for about 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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Beef + porktop 1% of all pairsSmell alikestrongCooked together5,690 recipes
Shared aroma: 12-methyltridecanal (tallowy, beefy).
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Beef + oniontop 7% of all pairsSmell alikemoderateCooked together17,092 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Bread + buttertop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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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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Beef + tomatotop 8% of all pairsSmell alikemoderateCooked together5,448 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
What each ingredient does
- Chopped beef
- Provides the main body and rich meaty flavor of the loaf.
- Chopped pork
- Adds fat and moisture, keeping the loaf tender rather than dry.
- Bread crumbs
- Soaked first, they absorb liquid and help the loaf hold together and stay moist.
- Tomatoes
- Add moisture and acidity, balancing the richness of the meat.
- Onion
- Contributes sweetness and aroma as it cooks in the loaf.
The step that matters
Mix all ingredients thoroughly. Even mixing distributes the bread crumbs and moisture through the meat, so the loaf bakes evenly and slices cleanly instead of crumbling or turning dry in patches.
Swap the onion
How well each one fits the dish's main ingredients (beef, pork, tomato, bread, butter, pepper):
- Capsicumfits better
- Potatofits better
- Onionthe original
- Asparagusfits about as well
Fit is the average pairing score against beef, pork, tomato, bread, butter, 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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