What are some good high energy foods to be eaten throughout the workday?

Question by treeman: What are some good high energy foods to be eaten throughout the workday? I have a very physical job and would like to know what kind of high energy foods I can munch on throughout the day that will help me have energy. Best answer:

Answer by dani the great
Apples they provide natural energy to keep you running!

Know better? Leave your own answer in the comments!