Prepare the Mac & Cheese according to the package instructions with the water, butter & milk
Cook it till it's al dente, slightly under but not over cooked
Add 1 cup grated cheese and mix
Grease a 9 inch pie dish with removable bottom
Add the Mac & Cheese to the dish and pat it down and bake in a 350 degree oven for 15 - 20 mins
Wait till it cools before overturning it on a silicone mat so it doesn't break
Add the pizza sauce, parsley. pepperoni & the rest of the cheese and bake
Again, wait till it cools before cutting and serving