Indian Cooking Recipe : Sweet Potato Cake Ingredients : 1 kg sweet potato, finely grated ½ cup coconut, grated 1 cup white sugar 1 ¼ cup coconut milk 3 tbsp custard flour 50 grams butter 1 ½ cups of self rising flour (sieved) Method: Beat the custard flour till it becomes fluffy. Add the butter to sugar and beat well. Add the sweet potato and ½ cup grated coconut. Mix well. Add all the other ingredients to the mixture and mix well. Pour the mixture into a greased baking tin and steam it for 40 minutes before baking it . Pre-heat oven to 180ºC. place tin inside. Bake at 180oc for 40 mins.