In a large mixing bowl, combine the plain flour, fine semolina, yeast, sugar and salt. Make a well in the center and then add the warm water to form a batter. Set aside for 15 minutes at room temperature, see belwo notes for tips on this.
1 cup Plain flour, ¼ cup Fine Semolina, 1 tablespoon Yeast, 1 teaspoon White Sugar, 1 pinch Salt, 1½ cup Warm water