1 lb. ground beef
1/4 tsp. salt
1 (24 oz.) pkg. frozen hash brown potatoes, thawed
1 can cream of mushroom soup
1 c. sour cream
2 c. cheddar cheese, grated
2 c. French fried onions
1 med. onion, chopped

Cook beef, breaking up into pieces. Add chopped onion; drain fat. Combine remaining ingredients except French fried onions. Place in casserole. Top with French fried onions. Bake at 350 degrees for 30 minutes.