Royal Thai Cuisine offers authentic Thai food with a variety of dishes to choose from. Whether your in the mood for the sweetness of Pad Thai, or spicy Drunken Noodles, you are sure to find something to enjoy. Royal Thai cuisine is located in washington/St.George Utah. We have a vast menu of authentic Thai dishes to choose from. We do orders for takeout, and catering for large parties located in Southern Utah. royal thai cuisine utah. royal thai. thai food.