Beef and Rice Casserole

This recipe is one of our favorite dinners.  Its pretty easy to throw together, I found it in one of my cookbooks, but I have made some changes to make it taste even better :)

1lb ground beef
2 medium celery stalks chopped
1/2 C chopped onion
1 C long grain rice
1 14 1/2oz can diced tomatoes
1/2 sliced black olives
1 4oz can diced green chilies
1 1/4 C beef broth (approx. 1 10 1/2oz can)
1 t chili powder
1 t garlic powder
2 t Worcestershire sauce
1/4 t pepper
1/2 C shredded cheddar cheese

In a large oven-proof skillet brown ground beef with onion celery, onion, garlic powder and salt to taste.  Drain fat, stir in uncooked rice and beef broth.  Add undrained tomatoes, chili peppers, chili powder, Worcestershire sauce, and pepper.  Bring to a boil, remove from heat, cover and bake at 350 degrees for 1 hour.  Sprinkle with cheese, cover and let stand for 10 minutes or until cheese is melted.