Mix together the water, salt, sugar, garlic, rosemary, thyme, onion, lemon, peppercorns and parsley in a food safe container or 2 gallon bag. Place turkey in brine for up to 12 hours.
Preheat oven to 350ºF.
Rinse brine from turkey breast. Place in oven for 45-55 minutes, until the internal temperature reaches 155ºF. Let rest for 15- 20 minutes before slicing and serving.