So what is a popover? In case you are curious, a popover is a light hollow roll made from a thin egg batter.
They are crispy on the outside, but soft and dense in the inside.
Once oven is preheated, pull out popover pan and coat with cooking spray. Add the batter into the hot pan about 3/4 full. Put pan back in oven and bake for 20 minutes.
Popovers lose that crunchy outer shell if they sit in the pan too long so stop staring at the beauty and make sure to dump them out onto a cooling rack right away.