In the oven: Preheat oven to 220°C / 430°F. Remove the falafels from the bag and place them in an oven dish. Cook for 12 to 14 minutes. In a frying pan: Remove the meatballs from the bag and thaw at room temperature for 10 to 15 minutes. Fry in preheated oil at 180°C / 350°F for about 5 minutes. Let rest 2 minutes before serving.