Complex sentence: The dish developed in the 1960s as grilled chicken pieces, an inexpensive "anju" accompaniment to alcoholic drinks in small taverns on the outskirts of Chuncheon to replace the comparatively expensive "gui" dishes grilled over charcoal.
Split into simpler sentences: The dish developed in the 1960s as grilled chicken pieces, an inexpensive "anju" accompaniment to alcoholic drinks in small taverns on the outskirts of Chuncheon. It replaced the comparatively expensive "gui" dishes grilled over charcoal.