Preheat oven to 475°.
To prepare pesto, place 4 cups basil leaves and 2 garlic cloves in a food processor, and pulse 5 times or until coarsely chopped. With processor on, add broth, Parmesan, and oil through food chute; process until well-blended.
To prepare pizza, place pizza crust on a baking sheet. Spread pesto over crust, leaving a 1/2-inch border; top with the tomato, garlic slices, and provolone. Bake at 475° for 12 minutes or until the cheese melts. Sprinkle with 1/4 cup basil. Cut the pizza into 8 wedges.