Egg yam crisp and preparation method thereof

The invention discloses egg yam crisp, comprising the following components in parts by weight: 50 parts of sweet potato, 40-50 parts of sweet rice flour, 3-5 parts of eggs, 8-12 parts of white sugar, 16-20 parts of maltose and 10-15 parts of edible palm oil. The invention also discloses a preparation method thereof, and the preparation method has the technical characteristic of low temperature puffing. The egg yam crisp disclosed by the invention greatly reduces content of the white sugar, the replaced maltose has low sweetness, strong palatability and good taste and is mild; in addition, healthy edible palm oil is used for replacing lard oil, thus the egg yam crisp disclosed by the invention has low oil and rich nutrition and also has the beneficial effects of promoting absorption of human body to mineral substances, preventing constipation and decayed tooth and reducing blood fat, the egg yam crisp can be eaten relievedly, cost can be reduced, and the requirement for pursuing healthy food by modern consumers can be met.