Fry hamburger, onions, salt, and pepper,
Set hamburger aside.
Arrange bread slices in a 9 by 13 inch baking dish.
Mix cream cheese, mayo, and Italian seasoning.
Spread over bread slices then top with 1 cup of cheese.
Mix pizza sauce, water, and garlic powder, add to drainedhamburger.
Pour this over cheese layer. Top with remaining cheese.
Bake at 350 for 30 minutes