1. Pound the butterflied turkey breast halves to flatten them, then season with salt and pepper and refrigerate.
2. Preheat the oven to 400°F.
3. In a 12- to 14-inch sauté pan, heat 3 tablespoons of the olive oil over medium heat until smoking.
4. Add the turkey sausage and cook, breaking it up with a wooden spoon as it cooks, until golden brown, 7 to 9 minutes.
5. Drain all but 4 tablespoons of the fat from the pan and add the apples and walnut pieces.
6. Cook for 8 minutes, or until the apples soften.
7. Remove from the heat and allow to cool for 20 minutes.
8. Add the panko, Parmigiano, eggs, 2 tablespoons of pepper, the nutmeg and herbs and stir with your hands, as you would for meatloaf or burgers, just until it comes together.
9. Place the two turkey pieces on a cutting board, skin side down, and divide the stuffing between them.
10. Roll each of the breasts like a jelly roll and tie them firmly in several places with butcher’s twine.
11. Place the two rolls on a rack set in a roasting pan, skin side up.
12. Pour 1 cup of the wine and 1 cup of the broth over them, season with salt and pepper, and roast until they are dark golden brown on the outside and a meat thermometer inserted into the fattest part of the breast registers 165°F, about 1 hour, plus or minus 10 minutes.
13. Remove the pan from the oven, place the turkey rolls on a cutting board, and let them rest for 15 minutes before carving.
14. Place the roasting pan on the stovetop over medium-high heat.
15. Add the remaining 1 cup wine and 1 cup broth to the pan and deglaze, scraping the bottom of the pan with a wooden spoon.
16. Cook for 5 minutes, then add the remaining 1/4 cup oil.
17. Shake the pan to emulsify the sauce and season with salt and pepper.
18. Carve the turkey rolls into 1/2-inch slices and drizzle with the pan sauce.

Find more turkey recipes on Food Republic:

• How To Make Jerk Turkey
• Now Make This: Dark Meat Turkey Cacciatore Recipe
• Pomegranate-Brined Roast Turkey Recipe