Burgers are fully cooked, just heat up and enjoy! Cook from frozen. Remove from plastic wrap. For best results, use stove-top or barbecue method and, after heating through, let rest for 1 minute. Stove-top: 3-4 minutes per side on a lightly oiled pre-heated skillet over medium heat. Barbecue: 3-4 minutes per side on a lightly oiled pre-heated grill over medium heat. Conventional / Toaster Oven: Place on lightly oiled parchment-lined baking sheet in a pre-heated oven at 375⁰ F (190°C) for 10 minutes.