2. First put a proper amount of water in the pot, and then put it on the gas stove to boil.

3. Peel the sweet potato when boiling water, wash it, and then cut it into pieces, so that the sweet potato is easier to cook.

4. After the water in the pot is boiled, add the sweet potato and cover the pot.

5. Take advantage of the gap between cooking sweet potatoes, measure a proper amount of rice in the rice bucket and wash it.

6. Then put the rice in the pot where the sweet potato is cooked, cover the pot and continue to cook. Note that if the water boils again and you are worried that the rice soup will overflow, just open the lid.

7. Continue to cook like this, turn off the fire when the rice is cooked, then cover the pot and simmer for a few minutes. The porridge cooked in this way has a little sweetness, and the sweet potato is soft, delicious and nutritious.