INGREDIENTS
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Butter, for the pan
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1/2 batch Bolognese Sauce, recipe follows
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1 1/2 (9-ounce) boxes no-boil lasagne noodles
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Besciamella, recipe follows
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3/4 cup grated Parmesan, plus more for serving
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Extra-virgin olive oil, for serving
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5 tablespoons olive oil
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1 red onion, medium chop
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3 carrots, medium chop
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3 celery stalks, medium chop
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5 ounces pancetta, cut into small cubes
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1/2 teaspoon crushed red pepper flakes
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2 handfuls fresh flat-leaf parsley, leaves picked and chopped
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1 pound ground beef
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1 pound ground pork
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1 pound ground veal
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1 cup red wine
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3 (28-ounce) cans pelati tomatoes*
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Kosher salt and freshly ground black pepper
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1 cup whole milk
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1/2 cup butter
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1/2 cup all-purpose flour
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4 1/2 cups whole milk
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Pinch freshly grated nutmeg
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Kosher salt and freshly ground black pepper