Materials

Main ingredient: 2 sweet potatoes

Accessories: 15 grams of butter, sugar

1, sweet potatoes, clean, peeled

2, cut sweet potatoes into thin slices, try to cut evenly, so that the good together to ripen (knife work is not good, you can use the rubbing of the thin slices)

3, cast 2 times with water, soaking in water 10 minutes to remove starch

4, with kitchen paper scrub dry water or dry water

5, spread in the oven on a high shelf, brush a layer of melted butter, can

6, in the surface of the sprinkle a little sugar

7, the oven at 180 degrees Celsius, 5 minutes, then turn to 165 degrees Celsius, 20 minutes or so

8, halfway through the flip, the surface of the brush a little butter and sugar. Brush the surface with a little butter and sugar, and bake until the sweet potato slices become brown and crispy.