Boiled sweet potato with salt and lemon

Wash the sweet potatoes and peel them (To be striped)
Cut into 1.5cm widths and put it in the water

Mix A

Put 3 tablespoons of water and sweet potatoes in a pan and shake a pinch of salt.
Close the lid and cook over low heat

Once the sweet potatoes are soft, turn off the fire
Put A in the pan and boil it

Put in a bowl