Heat from frozen.
CONVENTIONAL OVEN: Preheat oven to 400°F (200°C). Heat on a baking sheet for 10 minutes; turn and cook 2 minutes longer.
MICROWAVE: Heat on high power for approximately 1 ½ minutes.
SKILLET: Lightly grease a skillet and preheat on medium-low heat. Place breasts in skillet and cover. Heat for approximately 8 - 10 minutes, turning twice.