Complex sentence: Several locally-owned restaurants provide a "mom and pop" service to the town, arguably the most iconic Quitman restaurant is Peralta's Mexican Restaurant, which has become of beacon of Quitman food.
Split into simpler sentences: Several locally-owned restaurants provide a "mom and pop" service to the town. Arguably, the most iconic Quitman restaurant is Peralta's Mexican Restaurant, which has become of beacon of Quitman food.