Stovetop (best results for grilled meats):
Preheat a frying pan over low heat and place the contents in it. Keep stirring so it doesn't burn. Leave to heat to the desired temperature.
Airfryer (best results for grilled meats):
Option 2 – Heat the contents in the Airfryer.
*Do not heat grilled red meat in the microwave as this will compromise its texture.