The answer to each of these clues is a bar of chocolate.
1. I'd have one on my head if I were an outlaw.
2. You can only see this planet between 23:59:59 and 00:00:01.
3. Some would say 'Fake' was nearer the mark?
4. Sounds like a German baby perisodactyl.
5. Makes things simpler for this whisky ingredient.