Roll pastry to fit a 9-in. tart pan or pie plate; place in pan. Do not prick. Line pastry shell with a double thickness of heavy-duty foil. , Bake at 450° for 5 minutes. Remove foil; bake 8 minutes more. Remove from the oven. Reduce heat to 375°. Sprinkle 1/2 cup mozzarella over the hot crust. , Cut each tomato into eight wedges; remove seeds. Arrange over cheese. , In a food processor, process the basil and garlic until coarsely chopped; sprinkle over tomatoes. , Combine mayonnaise, Parmesan, pepper and the remaining mozzarella; spoon over basil. Bake, uncovered, until the cheese is browned and bubbly, 20-25 minutes.