1, sweet potatoes are usually fried on high heat for about 4 minutes to be cooked, the surface will be golden brown and crispy.

2, sweet potatoes (scientific name: Ipomoeabatatas (L.) Lam.) also known as sweet reserves, sweet potatoes, Zhu yam, golden potatoes, Fan Ru, red yam, yucca potatoes, yams, sweet potatoes, sweet potatoes, sweet potatoes, sweet potatoes, sweet potatoes, sweet potatoes, sweet potatoes, white potatoes, a goose, Moe sweet potatoes. Annual herb, underground part with rounded, elliptic or fusiform tuberous roots, stems procumbent or ascending, occasionally twining, much branched, leaf blade shape and color often varying according to species, usually broadly ovate, petiole of different lengths, cymes axillary, capsule ovate or compressed-orbicular, 1-4 seeds, usually 2, glabrous.

3, sweet potato native to South America and the Greater and Lesser Antilles, the world's tropical and subtropical areas are widely cultivated, most areas of China is widely cultivated.

4, sweet potato is a high-yield and adaptable food crops, and industrial and agricultural production and people's lives are closely related. In addition to the tuber for staple food, but also food processing, starch and alcohol manufacturing industry is an important raw material, roots, stems, leaves and excellent feed.