In this task, you have to identify the named entities (NER) which are the ingredients required given its directions. Named entities are the names of the items without their quantity.
Q: For the sauce: In a large heavy skillet, heat the oil over medium heat., Add the pancetta and cook, stirring constantly, until golden brown, about 5 to 7 minutes., Using a slotted spoon, remove the pancetta and reserve., Add the onion and cook for 5 minutes., Stir in the garlic and red pepper flakes and cook until fragrant, about 30 seconds., Add the tomatoes, 1/2 teaspoon salt, 1/2 teaspoon black pepper, and the cooked pancetta., Simmer, uncovered, over medium-low heat until the sauce thickens, about 15 minutes., Stir in the cheese and season with salt and pepper, to taste., For the meatballs: Position an oven rack in the lower 1/3 of the oven., Preheat the oven to 400 degrees F. Line a baking sheet with parchment paper., In a large bowl, combine the onion, 1/2 cup parsley, 2/3 cup Parmesan, bread crumbs, egg, ketchup, garlic, red pepper flakes, 1 teaspoon salt, and 1/2 teaspoon pepper., Add the beef and veal., Using your hands, combine all ingredients gently but thoroughly., Shape the meat mixture into 16 (1 1/2-inch-diameter) meatballs and place on the prepared baking sheet., Make a hole in the center of each meatball and place a cube of mozzarella inside., Reform the meatball so that the mozzarella is completely covered with the meat mixture., Bake the meatballs for 15 minutes until cooked through., Bring a large pot of salted water to a boil over high heat., Add the pasta and cook until tender but still firm to the bite, stirring occasionally, about 8 to 10 minutes., Drain and place in a large serving bowl., Add the meatballs and sauce., Toss gently and season with salt and pepper, to taste., Sprinkle with the remaining parsley and Parmesan.
A:
olive oil, pancetta, yellow onion, garlic, red pepper, tomatoes, kosher salt, freshly ground black pepper, Romano, onion, parsley, Parmesan cheese, Italian-style bread crumbs, egg, ketchup, garlic, red pepper, kosher salt, freshly ground black pepper, ground beef, ground veal, mozzarella cheese, bucatini