Simplify the following text for a Grade 8 native English-speaking person.
Original: Doughnuts , which used to be made at night in order to be ready for the morning rush , are now fully cooked and then frozen and delivered to every restaurant in Canada from Brantford , Ontario .
Simplified: Doughnuts , which used to be made at night so that they were ready for the next morning , are now fully cooked and then frozen and sent to every restaurant from Windsor Ontario .