1. Mix warm water, yeast, and a pinch of sugar in a bowl and let it sit until foamy.
2. In a large mixing bowl, combine flour and salt.
3. Add the yeast mixture and olive oil (if using) to the flour mixture.
4. Knead the dough for about 8-10 minutes until smooth and elastic.
5. Place the dough in a lightly oiled bowl, cover, and let it rise for about 1-2 hours until doubled in size.
6. Preheat the oven to 450-475°F (230-245°C) and place a baking stone or inverted baking sheet inside.
7. Punch down the dough and divide it into equal portions.
8. Roll each portion into a round, thin disc about ¼ inch thick.
9. Place the dough rounds onto the preheated baking surface.
10. Bake for 2-3 minutes until the pitas puff up and develop a golden color.
11. Remove the pitas from the oven and cover them with a clean kitchen towel to keep them soft.
12. Serve warm or at room temperature with dips, as a wrap, or in various dishes.