This is a recipe video for a sweet potato cake that can be made in a toaster oven using only two ingredients (sweet potato and Putchin Pudding), without using eggs, butter, or heavy cream. The biggest feature is that it can be easily made in a toaster oven without using a regular oven. Peel the sweet potato, cut it into even thicknesses, remove the bitterness, heat it in the microwave, and then mash it finely with a fork. Add Putchin Pudding to the mashed sweet potato and mix until smooth, then put it in a heat-resistant container and bake in a toaster oven for 30 minutes. Removing lumps and fibers will result in a smoother texture, and it is important to use aluminum foil to prevent burning when baking. With its moist and smooth texture and the gentle sweetness of sweet potato, it is a recommended snack even for beginners.