This study examines the evolution of indigenous industries in Ijebuland, with a specific focus on the traditional food production of Aadun, Kokoro, and Robo in Ososa Town, Ogun State, Nigeria. It explores the historical background and indigenous knowledge systems of the Ososa people, highlighting their traditional customs, beliefs, and practices in food production. The research delves into the socio-economic significance of these indigenous foods to the development of Ijebuland and Ogun State, addressing the relative scarcity of scholarly attention to this aspect of Nigerian culture. Utilizing historical research methods, the study incorporates both primary sources, such as interviews with local producers, and secondary sources from various libraries. The findings underscore the importance of documenting and understanding indigenous food production processes, contributing valuable insights to scholars, economic historians, and food experts, while also emphasizing the role of Aadun, Kokoro, and Robo in the local economy and cultural heritage of the Ijebu people.