Why it works: Pepper and tomato match in chemistry and in kitchens. They rank in the top 4% of all ingredient pairs, and 17,913 recipes mention both. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
The recipe
Ingredients
Contains: wheat (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
The book says “a slow oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the beef
Dredge the top sirloin with flour and pepper.
Roll up the meat and place it in a pot with the tomatoes.
Fry the chopped salt pork to extract the grease, then add it to the pot.
Bake and serve
Dredge the meat again with flour, cover closely, and bake for 4 hours at 300°F (150°C).
Serve the meat on a deep platter and pour salted gravy over it.
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 aroma chemistry they share, and how many recipes mention both.
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Pepper + tomatotop 4% of all pairsAroma overlapstrongMentioned together17,913 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Tomato + porktop 4% of all pairsAroma overlapstrongMentioned together4,828 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Pepper + porktop 8% of all pairsAroma overlapstrongMentioned together22,067 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Flour + peppertop 13% of all pairsAroma overlaplowMentioned together49,477 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + tomatotop 15% of all pairsAroma overlaplowMentioned together6,717 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and pepper share little aroma chemistry, yet 49,477 recipes mention both: they likely 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
- Top sirloin
- Forms the main body of the dish, becoming tender with long, slow moist cooking.
- Flour
- Coats the meat and thickens the cooking liquid into a gravy.
- Tomatoes
- Supply acidity and liquid that braise the meat and build the sauce flavour.
- Salt pork
- Its rendered fat adds richness and savoury flavour to the meat and sauce.
The step that matters
Covered baking for 4 hours at low heat. Long, gentle, covered cooking lets the tough connective tissue in sirloin break down slowly while the meat stays moist. Too high a heat or an uncovered pot dries the meat before it becomes tender.
Flavor stand-ins for the tomato
How well each one fits the dish's main ingredients (flour, pepper, pork):
- Capsicumbetter flavor fit
- Potatobetter flavor fit
- Carrotabout as good a flavor fit
- Tomatothe original
Fit is the average pairing score against flour, pepper, pork. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“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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