Whenever I go to this restaurant, I order a hot stone rice bowl. It's comfort food - I'm not Korean, but it tastes great and I feel very warm and fuzzy all over. I'm a sucker for rice bowl items, and in this case you'll get a variety of meats and vegetables all mixed together.
You can also get your own kimchi or other side dishes for free on your own. Definitely a plus if you want to add even more variety to your lunch.
The restaurant is small, so be sure to go before noon to secure a spot.