Preheat the oven to 375F. Line a baking sheet with aluminum foil.
Brush the pitas on both sides with olive oil. Sprinkle salt and sumac on both sides.
Cut the pitas into wedges using a pizza cutter or a sharp knife.
Place the pita pieces on the baking sheet and bake for eight to ten minutes until they're golden brown.
Serve with dips such as hummus or mast o khiar.