Answer:
I'm a starchy plant tuber that is one of the most important food crops, cooked and eaten fried, such as french fries.
Cycle Cycle Cycle.
What do people spend a lot of money on every year but never want to use it?
What has to be broken before you can use it ?
I'm a small ring shaped fried cake, often with bavarian cream or fruit filling, and sometimes covered in icing and sprinkles.
I touch the Earth, I touch the sky, but if I touch you, you’ll likely die. What am I?