Runza casserole

This is what we are having for supper. I always cut the recipe in half...easily done.
Recipe: Runza Casserole 10/18/2007
Category: Main Dish
2 lb Hamburger
2 Onion,Finely Chopped
4 c Cabbage,Shredded
Salt & Pepper,To Taste
2 Refrigerated Crescent Rolls
1 lb Mozzarella Cheese,Shredded

Note: One of my standby recipes. One that Butch is always happy to
see on the table. ]
Brown hamburger and onion, drain. Put cabbage on top of meat and let
steam for a few minutes. Add salt and pepper. Using one tube, spread
the crescent roll pieces over bottom of a 9x 13 inch pan. Spread
hamburger/cabbage mixture on top. Add layer of cheese. Using the second
tube of crescents, put pieces on top of cheese. Bake in 350 F. degree
oven for 35 to 40 minutes, covering with foil the last 10 minutes to
soften the crust