A favorite at my home! ... minutes. Check, if pork breaks away, easy, with a ... again, then add tomato sauce. Return to oven, for about 25 minutes, more or less.
This is my ultimate I-have-other-things-to-do ... a can of tomato soup into a large rectangular baking dish. Bury your pork chops (frozen or not) into ... a salad, or pasta.