Turn dough out onto a floured surface. Knead for 10 minutes, or until dough is smooth. Place into a lightly oiled bowl. Cover with plastic wrap. Set aside in a warm, draught-free place for 1 to 1 1/2 hours, or until dough doubles in size. Line a large baking tray with non-stick baking paper. Punch dough down to its original size. Knead for 30 seconds on a lightly floured surface until smooth. Divide into 12 even portions. Shape each portion into a ball. Place balls onto lined tray, about 1cm apart. Cover with plastic wrap. Set aside in a warm, draught-free place for 30 minutes, or until buns double in size. Preheat oven to 190°C or 170˚C fan-force.