(You can also make one big pizza ... the dough after step 3. Divide into 6 balls and wrap each one in cling film. Defrost overnight in the fridge before proceeding with the recipe.
or overnight (in the fridge). When the dough balls have doubled in size again, preheat the oven to its highest setting. Place a heavy baking tray or pizza stone into the oven to heat up with it.