Perfect Lasagna Bolognese

Ingredients (22)

• + 1 tablespoon olive oil add to pantry
• + 1 tablespoon butter add to pantry
• + ½ pound pancetta (Italian bacon), diced add to pantry
• + 2 cups chopped celery add to pantry
• + 1 ¾ cups chopped carrots add to pantry
• + 1 ¼ cups chopped onion add to pantry
• + 1 ½ pounds coarsely ground chuck add to pantry
• + 1 pound coarsely ground pork shoulder add to pantry
• + salt and ground black pepper to taste add to pantry
• + salt and ground black pepper to taste add to pantry
• + 1 cup dry white wine add to pantry
• + 1 ½ cups no-salt crushed tomatoes in puree add to pantry
• ✓ 2 tablespoons tomato paste
• + 1 teaspoon white sugar add to pantry
• + ½ cup beef broth add to pantry
• + ½ cup heavy whipping cream add to pantry
• + ½ cup whole milk add to pantry
• + ¼ cup all-purpose flour add to pantry
• + 1 bay leaf add to pantry
• + ¼ teaspoon freshly grated nutmeg add to pantry
• + 8 (9x13-inch) fresh lasagna sheets add to pantry
• + 2 cups finely grated Parmesan cheese, divided add to pantry