If you've got access to a slow cooker, pop a chicken in it with some veg (onions, celery, carrots, etc, whatever you like that's got a bit of subtance to it), cook on low setting for a day and take out. Serve with chunks of bread, rice, pasta, or your own preference.

The chicken stays really juicy and falls away from the bone - no crispy skin like a roast but it is a really easy meal if you're out all day!