Combine all the ingredients in a food processor and whizz together until a dough has formed. Cover a baking tray with nonstick baking paper.
Preheat the oven to 220C/ 425F/ gas mark 7.
Turn dough onto a lightly floured work surface. Using a rolling pin, roll out to about 30cm/12inch diameter. Using a pastry brush, coat the surface of the pizza dough with oil.
Sprinkle with chopped garlic, olives, rosemary leaves and sea salt and finally sliced Parmesan cheese. Bake for about 10 minutes or until the cheese has melted and the crust is golden.
Cut into pieces and serve immediately.
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