<![CDATA[The culinary industry is one of the sectors that has been able to survive during the Covid-19 pandemic, including catering services. Sari Rahayu 3 Restaurant in Banjarnegara is one of the catering service providers that still faces the problem of manual ordering via SMS or telephone, where orders are recorded on notes or books. This process requires more time, energy, and costs, resulting in errors in writing order details and human error. In addition, promotion still relies on word of mouth, so that the reach of information to the wider community is limited. This study aims to build an android mobile-based e-catering application that can facilitate online ordering for customers and help catering owners manage orders through a web platform. This study applies the Content-Based Filtering method to provide menu recommendations based on customer preferences such as category, price, stock and discounts using the Unified Modeling Language (UML) for system design and implemented with the Java and PHP programming languages. The stages of this research include problem identification, data collection, analysis of the running system, analysis and design of the proposed system, application implementation, and system testing. The final result of this research is an android mobile-based food ordering e-catering application with personalized menu selection features based on customer preferences, order quantity settings, and notifications when the order is successful as well as a website-based application that can be used by catering owners to manage orders. System testing shows that the application successfully runs according to the expected functionality and can improve the user experience in ordering food catering.]]>
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