According to a search on China Food Culture, the best powder for casserole noodles is rice flour. Casserole noodle is a food made of rice noodle, chicken soup, spicy chicken and other ingredients, common ones are: spicy chicken noodle, dai chai noodle, crispy bacon noodle, sanshin noodle, squash and shredded pork noodle, sour soup and meat froth noodle, braised pork noodle and other bacon varieties. The delicate and smooth texture of the rice noodle, together with the rich chicken broth and delicious bashfulness, is the best choice for making casserole noodle.