Beef and Rice Casserole

Beef and Rice Casserole
So simple but so good!

1 lb ground beef
1/2 cup uncooked rice
1 (10 1/2 ounce) can cream of celery soup or any kind of cream of … soup
1 1/4 cups water
salt and pepper
1/2 cup chopped celery, (optional)
1/4 cup onions, chopped (optional)
1/4 cup green bell peppers, chopped fine (optional)
1/2 cup fresh mushrooms, chopped (optional)

Brown beef with onion (if using) and drain.
Add rice, soup, water, celery, peppers and mushrooms (if using), salt and black pepper, mix well.
Place in greased two-quart casserole dish and bake, covered, for 1 hour and 15 minutes at 350 degrees F.
Serve and enjoy!