Thaw turkey completely in refrigerator 3-4 days or, keeping turkey in vacuum-sealed packaging, place in sink full of cold water 5-7 hours, changing water approximately every 30 minutes.
Heat oven to 350° F. Remove turkey from vacuum-sealed bag. Place turkey in bag provided; secure bag with twist tie. Place bag in deep roasting pan. Using fork, puncture 6-8 holes in top of bag. For extra browning or crispness, slit top of bag for final 20-30 minutes of roasting.
Roast turkey 2 hours, 45 minutes- 3 hours. Turkey is done when internal temperature measured with kitchen thermometer reaches 165° F.