: What do people in Cambodia eat?
: Why do they eat that food?
: How much of that do they eat (daily/yearly)?
: When are the hours of traditional eating?
: What is the culture behind food and dining?
: What are some favorite recipes od Cambodia?
: What is a central spice used in many recipes?
: Are certain foods taboo?  Why?

Well, I'n not going to do your homework for you, but I will make some suggestions...First, this site has some of the information you are looking for, so read the info on Cambodia. Then, start doing searches...it will take some time and you must use many different search engines to find what you want to know. I will answer two questions for you here..
1. No foods are taboo
2. The hours of eating are the same as yours..3 timsa day, morning noon and night...