Toast rice in a dry, heavy-bottomed frying pan until lightly golden. Grind or pound rice to a coarse powder and set aside. Soak 8 wooden skewers in cold water for 1 hour to stop them from burning on the grill.
Cut pork into thin strips and mix with sugar, fish sauce, garlic and pepper. Cover and let stand for 30 minutes.
Transfer meat to a food processor with pork fat, ground ro