- put cat food into a food processor along with peanut butter and pumpkin puree. 
- Pulse until it resembles coarse crumbs and sticks together. 
- Press into a 4-inch springform mini cake pan or roll into a cake pop. 
- Remove from the cake pan. 
- Mix 1 cup powdered sugar with 2 tablespoons of water to make icing to pour over top of the cake. Spread it with a spatula and decorate with sprinkles.