When the doughnuts are perfectly puffed up, they're gently dumped into a moat of
hot vegetable shortening where they float on one side until golden brown, and then the machine flips them over to cook the other side.
An easy — and almost totally hands - off — way to season your skillet is to scrub your skillet with
hot, soapy water, then dry and rub
shortening or
vegetable oil over the skillet with a paper towel.