Sorry, you can't. But if you have 2 apple devices then you can swap the bakeries. I'm not sure how, but you can google it. :)
YEd
There isn't a way of restarting, however if you still have ovens and a few tables then just keep on cooking and you will reach upto the next level. By then you will have atleast 3,000 coins. So you...
No not that I know of...........He has Lackwana and Carlos's but that's it.