Preheat oven to 180C. Place the garlic on a lined baking tray. Roast, shaking every 5 minutes, for 20 minutes or until soft. Set aside to cool slightly.
Increase oven to 200C. Squeeze the garlic flesh from the skins into a bowl. Add 2 teaspoons of the oil. Use a fork to mash until a smooth paste forms. Spread the pita bread with the garlic paste. Combine the potato, rosemary and remaining oil in a bowl. Top each pita bread with a layer of potato, overlapping slightly. Sprinkle each pizza with a quarter of the parmesan.
Transfer pizzas to 2 large baking trays. Bake for 10 minutes. Swap trays and cook for a further 5-7 minutes or until golden and potato is tender.
Meanwhile, combine the witlof, rocket, pear and walnuts in a bowl. Drizzle over the vinegar and toss to combine.
Serve the pizzas with the salad.
Recipe courtesy of www.taste.com.au
Serving size 4