I'm going to the gym, usually, everyday. I'm looking for a simple and easy snack, something that I can carry with me to work, to the office, and would help me to recover from my workout. :)  I know some recipes rich in carbohydrates but none rich in proteins :( (Besides whey protein, of course)  Any tips or recommendation ?  Thanks in advance! 
A hard boiled egg is high in protein and comes in a handy natural container. 