Each brand is trying to find a way to get a leg up on the competition in a tight market space. The above picture is what I found on my last grocery run. What caught my eye was the asterisk next to the non-GMO popcorn claim. My guess was the ingredients list would include soybean, canola, or corn oil.
The temperature for broiling in an oven is 260 degrees Celsius or  500 degrees Fahrenheit. Medium heat is about 177 degrees Celsius or  350 degrees Fahrenheit.
Broil burgers for 7 minutes on each side or until done and a meat thermometer inserted in center of burger registers 165Â°F. Skillet: Preheat non-stick skillet on medium heat. Lightly spray or brush both sides of FROZEN turkey burgers with oil Cook burgers for 9 minutes on one side. Turn and cook the other side for 7 minutes or until done and a meat thermometer inserted in center of burger registers 165Â°F.