Brown hamburger and mushrooms. Cook and drain noodles.
Spray 9x13 pan and put half of hamburger in bottom. Put half of noodles on top of hambuger, 1 can of spaghetti sauce and spread it around top with mozzarella cheese. Put rest of hamburger on top of the cheese, then put rest of noodles on top of that and put second can of spaghetti sauce and spread it around. Then put the second bag of cheese on top and spread it around good.
Put in oven at 350°F for 20 minutes then enjoy with your favorite bread.