What you do is swap the hand you normally write with!
That's it. How easy!
This isn't my invention - I read about it, but I can't remember where.
The theory behind it is that writing with the wrong hand makes you concentrate much harder on the actual mechanics of forming the words on the page, which leaves your subconscious mind free to be creative.
Start with the sentence When I was younger my favourite toy was...
Remember to write it with the wrong hand, and don't analyse the content - that's very important: don't censor yourself!
When I tried it myself, I managed to pull out a long forgotten incident involving my mum, which was nothing to do with my favourite toy. It's a great way to stop writers block in its tracks.
|Part of Omelette written normally...|
|... and with my left/wrong hand|
So, how did you get on?