Preheat the oven to 325°F (160°C).
Rinse the turkey breast and pat it dry with paper towels.
Season the turkey breast with salt, pepper, garlic powder, onion powder, sage, thyme, and rosemary.
Rub the turkey breast with olive oil, making sure to coat it evenly.
Place the turkey breast in a roasting pan and put it in the oven.
Roast the turkey breast for 2-3 hours, or until the internal temperature reaches 165°F (74°C).
Tent the turkey breast with foil after 1 hour of roasting to prevent over-browning.
Baste the turkey breast with pan juices every 30 minutes.
Remove the turkey breast from the oven and let it rest for 20-30 minutes before slicing.
Serve the sliced turkey breast hot, garnished with fresh herbs if desired.