Cheesy Hamburger Hotdish 08 May 12

1 lb hamburger
1 can cream of mushroom soup
1 small can mushrooms
1 can water
1 tbsp onion
8oz pkg egg noodles
1/2 cup sour cream
1/4 lb Velveeta cheese

Brown hamburger and onion, seasoning with salt and pepper. Prepare egg noodles as instructed on package. Mix in 2 quart casserole dish – hamburger, egg noodles, soup, water, mushrooms and sour cream. Slice Velveeta and lay on top. Bake for 45 minutes.