My theory is that, because it's cast iron, it maintains the heat better than any large vessel (like a Dutch oven) can at home. It better replicates a deep fryer at a restaurant.

Cuisinart 12-Inch Chicken Fryer This fryer will be a mainstay in your kitchen. (Photo: Amazon) A sturdy frying pan is a must in every kitchen, and the Cuisinart 12-Inch Chicken Fryer doesn't ...