I don't but it sure sounds good to me! Make it up because nothing will taste quite as good. I would use a yellow cake mix, create the filling from vanilla pudding, vanilla wafers and fresh bananas and create the drizzle from whatever I thought it might be like warm caramel.
Also here's a link I found on the net that looked good and also might help to satisfy you: BellaOnline ALERT: Raw URLs are not allowed in these forums for security reasons. Please use UBB code. If you don't know how to do UBB code just post here for help - we will help out!