Here is a donut making machine that can produce up to 300 large donuts per hour. The Ridgeyard Automatic Donut Making Machine has 7L capacity. It can make 3 to 10cm donuts (3 sizes). Its digital thermostat takes the guesswork out of the process, so you get perfect donuts.
This machine has temperature setting from 50 to 300C. It has a 304 stainless steel construction.