1 lb. ground beef
1 onion, chopped
1 qt. water
4 bouillon cubes
1 (5 oz.) pkg. noodles
1 can mushrooms (stems and pieces)
1 ctn. sour cream
Grated cheese

Brown beef and onion. Add water and bouillon cubes, bring to a boil, add noodles, cook until done. Add mushrooms and sour cream. Place in casserole, top with grated cheese and brown in oven.