Water boiling needs to be simmered for 40 minutes. The specific method is as follows:

The materials that need to be prepared in advance include: 50 grams of rice, sweet potato 1, water in moderation.

1, rice washed clean, the pot into the rice, pour the appropriate amount of water, cover the lid on high heat.

2, sweet potato peeled, washed, cut hobnail block.

3, high heat to boil and then turn to medium-low heat to cook until the rice bloom, time 25 minutes.

4, then the pot into the sweet potato, simmer for another 15 minutes.

5, the time is up can be served, so sweet potato rice porridge is completed.