Purple sweet potato needs to be peeled off and cut into small pieces. 

Purple sweet potato, millet and water in the pot. Water should be higher than all ingredients. Turn to low heat. Cover the pot with lid. Cook till purple sweet potato turns softened. When it’s almost done, the porridge will become very condensed. Keep stirring in case it gets burnt. 

The porridge tastes sweet even no sugar is added. 

It’s a very healthy porridge.