Pre-heat oven to 400°F. Roll out the pizza dough into 3 round pies. Place the dough on baking sheet lines with parchment paper. Spoon a bit of sauce on each pie and add the desired toppings. Place a few slices of the mozzarella over the pies. Place in the pre-heated oven for about 20 minutes or until the crust is golden brown the mozzarella is a little melted.