Unroll and stretch pizza dough onto baking pan according to package directions. Prick all over with fork; coat with cooking spray.
Bake crust 8 to 10 minutes or until very lightly golden brown. Cool slightly. Sprinkle with bacon, mushrooms and cheese.
Reduce oven temperature to 350ºF. Bake pizza 10 minutes or until toppings are hot and cheese is melted.