Ingredients: sweet potato, water.

Steps:

1. Prepare sweet potatoes. Wash and peel all sweet potatoes, cut them into pieces with a knife and put them in a steamer.

2. Prepare a steamer and add water to the steamer.

3. Put the steamed grid containing sweet potatoes into the steamer.

4. Cover the steamer cover, turn on the stove fire and start steaming sweet potatoes.

5. If the amount of sweet potato is large, a layer of steaming grid will be completely cooked in about 40 minutes.

After 6.40 minutes, the sweet potato is steamed.