Preheat oven to 350 degrees. Start by cooking rice according to package directions.
In a large mixing bowl mix cooked chicken, cooked rice, cream of chicken soup, onion powder, garlic powder, salt, pepper, and 1 cup shredded cheddar cheese. Add this to a casserole dish.
Top with remaining 1/2 cup of cheese and bake for 15-20 minutes. Serve and enjoy.
Optional: Top with fresh diced parsley for garnish.