Yoo Ji-man Sweet Potato Cheese Bread

Peel the sweet potatoes and cut them into cubes.

Steam the sweet potatoes until they are soft.

Transfer the cooked sweet potatoes to a bowl and mash them well.

Add sugar, salt, and butter to the mashed sweet potatoes and mix well.

Shape the sweet potato dough into balls, placing mozzarella cheese inside.

Place the shaped dough balls on a baking pan.

Bake in a preheated oven at 180°C (356°F) for 15 minutes.