Begin by either spraying your grill with a non-stick grill spray, or brush it with some olive oil.
Turn on the grill and get it heated to around 375/400 degrees.
While the grill is heating, add your sliced tomatoes, basil, olive oil, vinegar, salt, pepper, garlic and spices to a large bowl, mix it well, and set to the side.
Take your dough and cut it in half. Work each half into the desired shape and thickness you prefer.
Position both pieces of dough on the grill and allow to get crispy and brown on one side. Move the dough around if necessary if you have hot spots on your grill so it will brown evenly without burning.
Once the dough is done on one side, flip it over and lay out your tomato mixture, place the slice mozzarella on the top and drizzle with a little of the oil and vinegar left in the bowl.
Grill until crispy. Once done, turn off the grill, and close the top. Allow the pizzas to sit for a few minutes in the warm grill to get the cheese nice and melted.