1. The raw material for making sweet potato is sweet potato. Firstly, fresh sweet potatoes are washed, peeled and cut into pieces;
2. Put the sweet potato pieces into a large pot and add water to boil, then add a little maltose;
3. Mash the cooked sweet potato into pulp, then drain the residue, leaving only the pulp;
4. Pour the drained pulp into the pot and boil. When the water dries, it is thick sesame sugar.