1. Heat oven to 425°F. Spray 15x10x1-inch pan with cooking spray. Unroll dough; place in pan, pressing up and extending over sides by at least 1 inch. Place string cheese around inside edge of pan. Fold extended edge of dough over cheese; press firmly to seal.

2. In small bowl, mix melted butter and garlic; brush over bottom and edges of dough; sprinkle edges with Italian seasoning.

3. Spoon and spread sauce evenly over dough. Sprinkle 1/2 cup shredded cheese over sauce. Top with pepperoni, sausage, mushrooms, bell pepper, onion and olives.

4. Bake 15 to 17 minutes or until crust is golden brown. Sprinkle remaining 1 cup cheese on top. Bake 5 to 7 minutes or until cheese is melted. Let stand 5 minutes before cutting.