As the others have said, active recall is the best.
That's what I do and I revise in regular intervals. That is, I go over some topics today. Then, I go over them again three days later. Then again after a week. Then again after two weeks. I just keep revising the content in increasing intervals until I can recall the key points if someone wakes me up from a deep sleep at 4 am.
Another thing you could try instead of rewriting an entire note is summarising as a final revision technique. To summarise a topic, you must understand it so well that you have the ability to cut out excess information without taking away from the main points of the content. If you can't summarise a note effectively, that means you have to go back to your active recall methods and study it more.