Scoop into bowls and top with more Parmesan, sage and crushed red pepper, if desired. Slice any remaining lemon into wedges and serve alongside for squeezing over the pasta.
Stuff the cavity with the lemon halves, crushed garlic, thyme, rosemary, sage, and bay leaf. Roast the turkey for about 2 1/2 hours, until golden all over and an instant-read thermometer inserted ...