Ingredients: 3 sweet potatoes, ginger 1 small pieces, brown sugar according to your own taste.

Step 1: Wash and peel the sweet potato.

Step 2: Every time you cook sweet potato soup, go deep into the sweet potato meat with a blade and pry the sweet potato pieces open with a little wrist force.

Step 3: Peel the old ginger, mash it with a knife and put it in brown sugar for later use.

Step 4: Put all the materials except brown sugar into the pot, add proper amount of purified water, cover the pot, boil over medium heat, add brown sugar after boiling, and then turn to low heat to continue stewing for a while until the sweet potato is soft and cooked.

The fifth step is to drink a bowl of brown sugar, ginger and sweet potato syrup in winter, and the whole person is warm.