Diabetes Mellitus (DM) is a chronic metabolic disorder whose prevalence continue to increase in Indonesia, requiring comprehensive management. Bay leaves (Syzygium polyanthum) contain active compounds such as flavonoids and tannins that have a hypoglycemic effect to help lower blood glucose levels. The utilization of this herbal plant needs to be innovated to make it more appealing and easier for the community to consume. This community service program aims to improve the understanding and skills of the residents in RT 02/RW 14, Paseban Village, Bayat Subdistrict, Klaten Regency, through education on DM management and training in making an innovative functional food in the from of Bay Leaf Agar-Agar (Salavia). The methods used included the preparation stage, the implementation of socialization regarding diabetes mellitus, a demonstration of making the agar-agar, and program evaluation. The success of the activity was evaluated quantitatively using pre-test and post-test questionnaires to assess the respondents. The activity, which was held on May 22 2026, ran smoothly and was enthusiastically attended by health cadres and local residents. Based on the evaluation results, there was a significant increase in the average knowledge score of the community after the education was provided. In addition, the residents successfully produced hygienic, well-textured, and economically valuable bay leaf agar-agar independently. This community service program has proven to be effective in improving the community’s knowledge and psychomotor skills in processing local herbal potential. This functional food product is expected to be an alternative for the prevention and independetnt management of Diabetes mellitus at the family level.