분식집 (or 분식점) means a "fast food place", where you can get noodles and other flour-based quick dishes.
(분: flour, powder; 식: food, meal; 집/점: place, house, joint)
분식 by itself means such kind of foods, which is sometimes called 밀가루 음식 - 밀가루(flour) 음식(food).