Sumber is a hamlet located in Tumpuk Village, Sawoo District, Ponorogo Regency. Geographically, Tumpuk Village is located in a rural area which is directly adjacent to Tugu District, Trenggalek Regency. The extent of agricultural land in Tumpuk Village, especially Sumber Hamlet, has the potential to grow crops. Seeing these conditions, it is not surprising that most of the people there make agriculture as their main source of income besides livestock. The low creativity of the surrounding community to process agricultural products so that they have more selling value. The majority of agricultural products in Sumber Hamlet are cassava, the community only sells the harvest directly without processing it first. To overcome this, the KKN-PPM program provides training on creativity in processing valuable crops, namely processing cassava into cassava nuggets.