With heat-proof oven gloves, carefully remove the hot cast iron from the oven and place on your prepared baking sheet.
Spray top of pan generously with Vegetable or Canola Oil Cooking Spray.
Spoon batter into corn divots filling almost to the top. (batter will be thick and not pourable)
Place back into oven for approximately 8 minutes.
Remove from oven and flip out onto towel to cool.