Chief,I do like you,precook the dough before adding goodies.IMO thats the only way to get a well cooked crust unless you are using a high temp style pizza oven.I have a hard time hitting 450F in the oven here,but I can and do get some dialed in crusts.
Im thinking getting around 400F with both rebars out,or possibly cracking lid too should work just fine if you precook the dough like Chief relates.