1. In a large mixing bowl, combine the flour and salt.
2. In a separate bowl, dissolve the yeast in warm water and let it sit for 5 minutes.
3. Add the yeast mixture and olive oil to the flour mixture. Stir until a dough forms.
4. Knead the dough on a floured surface for about 10 minutes, until smooth and elastic.
5. Place the dough in a greased bowl, cover, and let it rise in a warm place for 1 hour.
6. Preheat the oven to 220°C (425°F). Punch down the dough and transfer it to a greased baking sheet.
7. Spread the dough out to fit the baking sheet. Use your fingers to make dimples in the dough.
8. Drizzle with olive oil and sprinkle with chopped rosemary.
9. Bake for 20-25 minutes, until golden brown.
10. Let cool slightly before cutting into small squares. Serve warm.