How much to buy: 1/2 lb per serving. Defrost time: 20-lb bird takes 3 days in fridge or 12 hours in sink of water Remove giblets as soon as thawed. Roast time: Unstuffed, chilled turkey at 325 deg -

6-8 lbs 2 3/4 to 3 1/2 hours 8-12 lbs 3 1/4 to 4 hours 12-16 lbs 3 1/2 to 4 1/2 hours 16-20 lbs 4 to 6 hours 20-26 lbs 5 1/2 to 7 1/2 hours

Stuffing: Add 25 minutes cooking time for birds under 12lb.