Ingredients and dishes vary by province. Many regional dishes have become national, and dishes that were once regional have proliferated in different variations across the country. The Korean royal court cuisine once brought all of the unique regional specialties together for the royal family. Meals are regulated by Korean cultural etiquette.
Traditional Korean Foods:
This traditional food is call "Baek ban." This is just ordinary Korean food, which is part of traditional food. Koreans eat baek ban almost every day.
Almost everybody in the world knows, kimchi is Korean Food. Which is top 1 traditional food in Korea.
This is called Korean rice pancake. also called in Korean "bu chim gae"
Here are some sites: http://koreanrecipes.org/ - http://www.trifood.com/food.html