1Heat oven to 425°F. Spray 15x10x1-inch pan with cooking spray. Unroll dough in pan; press evenly to edges of pan. Brush 1 tablespoon of the olive oil on top of dough. Bake 6 minutes.
2Meanwhile, in small bowl, toss zucchini with remaining 1 tablespoon olive oil and the black pepper. Top partially baked crust with chicken, zucchini and cheeses. Bake 10 to 12 minutes longer or until cheese is melted and crust is deep golden brown.
3Top with basil. Serve with pepper flakes.