Preheat oven to 350°F. In a large bowl, mix the mashed sweet potatoes and all of the wet ingredients. Whisk until smooth. Add in all of the dry ingredients except for the flour, and start to combine.

Gently fold in the flour to make the cake batter. Once there are no flour clumps left, transfer the batter to a greased or parchment-lined 8x8-inch square baking pan or a 9-inch round pan.

Bake the cake for 30 minutes or until it is golden brown and springy to the touch. You can also check its center by inserting a knife and ensuring that it comes out clean.

Meanwhile, make the frosting by mixing all of the ingredients together until smooth. Add more maple syrup or jello mix to your liking. Pop it in the refrigerator so it can firm up while the cake finishes baking and cooling.

Remove the cake from the pan after about 10 minutes out of the oven. When it is fully cool, slice it in half horizontally. On the bottom layer, spread half of the frosting. Place the top piece of cake over the frosting layer, then spread the rest of the frosting over the top. Slice the cake into 12 even slices and enjoy!