The red and white powder in the lean meatballs is tapioca flour and sweet potato starch. Using sweet potato starch to make lean meatballs can shape the lean meatballs and prevent them from loosening. Using cassava flour to make lean meatballs can make the meatballs more elastic, tender and crunchy. Lean meatballs are made with pork, starch, baking powder, etc. as the main ingredients, and the cooking method is boiling.