Deep Dish Pizza Casserole

1 pound ground beef
1 15 oz can chunky Italian style tomato sauce
1 10 oz can refrigerated pizza crust
1 ½ cups mozzarella cheese

Cook meat in skillet until browned. Add tomato sauce and cook until heated. Unroll pizza crust and press into bottom (of 9x13 sprayed with cooking spray) and halfway up sides. Top bottom of pizza crust with meat mixture. Bake uncovered at 425 for about 12 minutes. Top with cheese and bake 5 minutes more.