Inapropriate feeding practice is one main cause of malnutrition onset among infants and toddlers. Community service program in diversification of locally-sourced complementary feeding (MPASI) in Subdistrict of Dukuh Menanggal, Surabaya City is aimed at the empowerment of integrated service post (posyandu) cadres employing Community Based Research (CBR). Workshop as the chosen learning model of diversification of locally-sourced complementary feeding plays a significant role in improving knowledge and attitude among the mothers of infants and toddlers. Poor knowledge (35.38%) increased to good (64.61%), while poor attitude (30.76%) also increased to good (69.23%) The best internalization of posyandu cadres’ roles and functions is through the workshop activity and the integration of Smart Posyandu under the supervision of Community Health Center (Puskesmas), supported by the role of health academicians as assistants along with active participation of posyandu cadres as well as other community elements.