自製紫薯粉 Homemade Purple Sweet Potato Powder

5. Bake in an oven using 50~70 degree Celcius top/bottom heatfanforced for about 2~3 hours. (Adjust timing according tothemoistness and thickness of the mashed purple sweet potatoes.)

5。開動烘爐以50~70攝氏度上下火風扇功能烘2~3小時。 （時間以紫薯的水份和泥的厚薄調節）