Why it works: Parmesan cheese and provolone cheese share more aroma than cooks usually use. They rank in the top 1% of all ingredient pairs, and 89 recipes mention both. Both carry ethyl 2-methylbutyrate, which smells fruity, apple. The science ↓
The recipe
6 servingsIngredients
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.
Preheat the oven to 350°F (177°C). Put the spinach in a pan with a splash of water over medium heat for about 3 minutes until wilted. Drain, squeeze dry, and chop.
In a large bowl, mix the ground beef, ground pork, beaten eggs, bread crumbs, grated Romano or Parmesan, salt, and pepper until just combined.
Dust a clean work surface with flour. Pat half the meat mixture into a rectangle about 1/2 inch thick. Layer the provolone, prosciutto, and chopped spinach over it.
Roll the meat up like a jelly roll, pressing the seams and ends closed around the filling. Then shape the remaining meat mixture over the outside to cover the loaf completely.
Heat the olive oil in a large skillet over medium-high heat. Brown the loaf on all sides, about 8 minutes total, then transfer it to a baking dish.
Pour the red wine and water into the bottom of the baking dish around the loaf, not over the top.
Bake for 60 to 70 minutes until the thickest part reaches 160°F (71°C) on an instant-read thermometer.
Let the loaf rest for 10 minutes, then slice and spoon some of the pan liquid over each serving.
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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Parmesan cheese + provolone cheesetop 1% of all pairsAroma overlapstrongMentioned together89 recipes
Shared aroma: ethyl 2-methylbutyrate (fruity, apple).
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Beef + porktop 1% of all pairsAroma overlapstrongMentioned together5,669 recipes
Shared aroma: 3-ethylphenol (must).
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Spinach + peppertop 4% of all pairsAroma overlapmoderateMentioned together3,400 recipes
Shared aroma: nonanal (fat, citrus).
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Beef + peppertop 4% of all pairsAroma overlapstrongMentioned together18,971 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Spinach + parmesan cheesetop 5% of all pairsAroma overlapmoderateMentioned together889 recipes
Shared aroma: 1-octen-3-ol (mushroom, earthy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Flavor stand-ins for the spinach
How well each one fits the dish's main ingredients (beef, pork, egg, bread, parmesan cheese, pepper, provolone cheese):
- Tomatobetter flavor fit
- Capsicumbetter flavor fit
- Potatobetter flavor fit
- Spinachthe original
Fit is the average pairing score against beef, pork, egg, bread, parmesan cheese, pepper, provolone cheese. 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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