Can anyone please suggest me some good Chef tutorials?
You can find tutorials for learning chef from scratch here-
learn.getchef.com/fundamentals-series/
To do some labs on chef you can refer this link -
learn.getchef.com/fundamentals-series/chef-lab/
You might also need to know basics of ruby in order to write chef recipes -
docs.getchef.com/just_enough_ruby_for_chef.html