Complex sentence: Commander's Palace received a four-diamond rating by the American Automobile Association and has also been recognized as one of the Top 40 Restaurants in the U.S. by Gayot, and was ranked the most famous restaurant in New Orleans.
Split into simpler sentences: Commander's Palace has received a four-diamond rating by the American Automobile Association and has been recognized as one of the Top 40 Restaurants in the U.S. by Gayot. It was ranked the most famous restaurant in New Orleans.