If the meals are frozen, thaw under refrigeration.
*Microwave:   
-The meals are packaged in containers that are microwave safe.
-You may heat up the food in the same container.               
-Heat in microwave for 3 to 5 minutes depending on the microwave.
*Oven:(recommended)
-Remove food from container and place it in oven safe dish.
-Cover with foil and heat in oven at 350 for 10 to 15 minutes.