Ding on high for 10 minutes is fine.

Step 1: Pick red sweet potatoes that are on the long side, wash them, and then immerse them in salted water for an hour without rubbing them.

Step 2: Wrap in two layers of dampened kitchen paper towels.

Step 3: Microwave on high for 8 minutes, turn over and cook for 3 minutes.

Step 4: Remove from the oven and remove the paper.

Step 5: Peel and try, the skin is moist and the inside is soft.