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.
Place an oven thermometer inside the oven. Turn on the oven to 350 degrees F for one hour on any of the baking settings. These settings are listed on the oven as CONV BAKE, PURE CONV, CONV ROAST OR BAKE.. If you want to test the BROIL or CONV BROIL methods, set the oven to 555 degrees F.Check the oven thermometer after one hour.urn on the oven to 350 degrees F for one hour on any of the baking settings. These settings are listed on the oven as CONV BAKE, PURE CONV, CONV ROAST OR BAKE.. If you want to test the BROIL or CONV BROIL methods, set the oven to 555 degrees F. Check the oven thermometer after one hour.