1. Wash and steam the sweet potatoes
2. Peel and crush, add mozzarella and stir well
3.
Spread the mozzarella in the hand cake, then put the sweet potato balls, and then spread a layer of cheese
4. Pinch the mouth tightly, poke the hole on the other side, and smear the egg liquid
5. Brush the egg mixture and bake at 220 degrees for 20 minutes
Tips:
1. Sweet potatoes can be steamed or roasted
2. Cheese filling according to personal preference
