Mix the flour, salt and yeast in the food processor bowl. Add the water, knead into a soft, smooth dough using the dough hook. Cover and leave to rise at room temperature for approx. 2 hrs. until doubled in size.
Drizzle 2 tbsp of oil onto a baking tray, transfer the dough to the tray using a dough scraper. Fold the dough in to the middle several times with oiled fingers. Brush with 1 tbsp of oil, leave to rise at room temperature for approx. 30 mins. Press the dough down gently with oiled fingers, sprinkle with oregano.
Approx. 25 mins. on the bottom shelf of an oven preheated to 220°C. Remove from the oven, top with the cheese and berries, cut into pieces, sprinkle with oregano.