The document outlines the design and challenges of a participatory impact evaluation for an IFAD-funded project in Ghana aimed at improving rural livelihoods through enhanced production and processing of roots and tubers. It highlights the objectives of generating rigorous evidence, facilitating inclusive analysis, and creating a scalable self-evaluation model while addressing complexities in evaluating government programs. The evaluation employs a variety of qualitative and quantitative methods and emphasizes stakeholder involvement in understanding impacts and contributions to poverty reduction.