The choice of ingredients, try to pick sweet potatoes of about the same size, wash the sweet potatoes and soak them in salt water for about an hour, so that the baked sweet potatoes will be more soft and sweet. Smoked potatoes are best for baking and eating.
The way to bake sweet potatoes in the oven: preheat the oven at 180 degrees, fish out the sweet potatoes and wipe them dry on a baking sheet and arrange them evenly. Place the baking sheet in the upper middle layer of the oven, upper and lower heat 180 degrees, bake 30-40 minutes. Specific time and heat can be adjusted according to the size of the sweet potatoes and the use of different ovens. During the period you can turn the sweet potatoes, bake until the whole sweet potato with chopsticks a touch of soften can be.