Siomay is Indonesia delicacy similar to Chinese Dim Sum. This dish is made of fish, steamed vegetable, tahu ( bean curd ), eggs & potato. Serve in spicy peanut sauce & sweet soy sauce. Siomay was influenced by Chinese Indonesian Cuisine. Siomay at Indonesian Dim Sum usually served not with peanut sauce but sweet sour sauce & spicy sauce. Siomay has been incorporated into Indonesian cuisine for a long time.
The most famous one is Siomay Bandung( west Java), Sundanese cuisine. This dish can be found in street side food stalls, traveling carts, bicycle vendors & restaurant.