 The most popular of these soups is "Gaejang-guk", a spicy stew meant to balance the body's heat during the summer months.This is thought to ensure good health by balancing one's ""ki"", or the vital energy of the body.A 19th-century version of "Gaejang-guk" (개장국) explains the preparation of the dish by boiling dog meat with green onions and chili powder.