Pre-heat oven to 425° (220 celsius). Lightly grease a medium (12-13 inch) pizza pan or cookie sheet. (32 centimeters)
FOR THE PIZZA DOUGH
In a large bowl whisk together flour, baking powder, and salt, make a well in the middle and add the oil and 1/2 cup of water to start, stir together with a fork then add remaining water.
Move to a lightly floured flat surface, knead for approximately 2 or 3 minutes and form into a smooth dough ball, cover with a bowl and let sit for 15 minutes.
Place dough on lightly greased pizza pan or cookie sheet and with fingers form into desired shape (circle, oval or square) to cover the bottom of the pan. Bake for approximately 13- 15 minutes or until golden.
FOR THE CAPRESE TOPPING (Topping can be placed on the pizza while warm or let cool completely)
In a small bowl whisk together olive oil, balsamic, salt, oregano, chopped fresh basil leaves.
Place thinly sliced tomatoes on top of the baked dough, then top with thinly sliced mozzarella and drizzle with olive oil mixture. Serve immediately.