Do Not Thaw.
Oven: Preheat oven to 350°F. Remove potato from cellophane. Place desired portions on an ungreased baking sheet. Bake for 40 minutes, until heated thoroughly and lightly browned.
Grill: Preheat grill. Remove potato from cellophane package. Place frozen potatoes on a sheet of aluminum foil. Wrapping foil around potatoes, leaving top half exposed. Grill on medium-high heat. Cook with grill lid down for 35-45 minutes.
Microwave: Remove potato from cellophane. Place one frozen potato on microwave safe dish. Cook on high for 2½ to 4 minutes rotating at half way point. To cook two potatoes, increase cooking time to 4 to 6 minutes.