Why it works: Onion and garlic match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and 29,030 recipes mention both. Both carry furaneol, which smells caramel, strawberry. The science ↓
The recipe
1 9x13-inch panIngredients
Contains: egg, milk, wheat (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Method written by CompKitchen from the ingredient list. Not the original author's method, not kitchen-tested.
Heat a large skillet over medium heat. Add the bulk Italian sausage and ground beef, breaking them up, and cook until no pink remains and the meat reaches 160°F (71°C), about 10 minutes. Drain off excess fat.
Add the chopped onion and minced garlic to the meat and cook until soft, about 5 minutes.
Stir in the tomato sauce, crushed tomatoes, Italian-style crushed tomatoes, tomato paste, basil, 2 tablespoons parsley, brown sugar, 1 teaspoon salt, Italian seasoning, black pepper, and fennel seeds if using. Reduce heat to low and simmer uncovered for 30 minutes, stirring occasionally.
While the sauce simmers, cook the lasagna noodles in a large pot of boiling water until just tender, about 10 minutes. Drain and lay them flat so they do not stick.
Preheat the oven to 375°F (190°C). In a bowl, beat the egg, then stir in the ricotta, the remaining 2 tablespoons parsley, 1/2 teaspoon salt, nutmeg, and 1/2 cup Parmesan.
Spread 1 cup of the sauce in a 9x13-inch baking dish. Layer 4 noodles, a third of the ricotta mixture, a third of the remaining sauce, and a third of the mozzarella and half the 3/4 cup Parmesan. Repeat the layers once more.
Top with the last noodles, the remaining sauce, the rest of the mozzarella, and the remaining Parmesan. Cover with foil and bake for 25 minutes.
Uncover and bake 20 minutes more, until bubbling and the center reaches 160°F (71°C). Let stand 15 minutes before cutting.
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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Onion + garlictop 1% of all pairsAroma overlapstrongMentioned together29,030 recipes
Shared aroma: furaneol (caramel, strawberry).
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Tomato + basiltop 2% of all pairsAroma overlapstrongMentioned together3,979 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Basil + parsleytop 2% of all pairsAroma overlapstrongMentioned together2,351 recipes
Shared aroma: myristicin (spice, warm).
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Garlic + tomatotop 2% of all pairsAroma overlapmoderateMentioned together14,075 recipes
Shared aroma: furaneol (caramel, strawberry).
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Beef + oniontop 3% of all pairsAroma overlapmoderateMentioned together17,091 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
Flavor stand-ins for the parsley
How well each one fits the dish's main ingredients (beef, onion, garlic, tomato, sauce, basil, sugar):
- Oreganobetter flavor fit
- Cuminbetter flavor fit
- Corianderbetter flavor fit
- Parsleythe original
Fit is the average pairing score against beef, onion, garlic, tomato, sauce, basil, sugar. 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).
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