Egg tarts originated in England, meaning pies with exposed fillings; Egg tart is a "tart" with egg paste as filling. The method is to put the cake crust into a small round pot-shaped cake mold, pour in the egg liquid mixed with sugar and eggs, and then put it in the oven; The baked egg tart has a crispy crust on the outer layer and a sweet yellow solidified egg paste on the inner layer.

Egg tarts are mainly divided into butter skin and crispy egg tarts (KFC also uses this kind of egg tart skin). Butter skin is characterized by smooth and complete skin, like a disk-shaped biscuit, and the skin has butter flavor. The pastry is also made of the same stuffing, which is characterized by the fact that the pastry skin is divided into thin layers, just like the wedding cake skin. According to the difference of egg tart juice, snacks derived from it include fresh milk tart, coconut tart, ginger tart, meat floss tart, fruit tart, protein tart and so on.