What's the name of the cube omelet?

Bad cake. Also known as "egg cake", it is a traditional pastry in Tianjin and Beijing. It is made of fresh eggs with proper amount of white sugar or honey, flour and spices, which are molded and baked in a trough-shaped mold. Small square or small round cake-shaped, the top is brownish red, the bottom is yellowish, the entrance is soft, pure fragrance is not evil, soft but not slippery, and it is not greasy after eating for a long time; The cake is loose but not scattered, golden in color and long in shelf life. The production history of trough cakes is very long, even dating back to the Ming and Qing Dynasties. It is said that both Emperor Qianlong and Empress Dowager Cixi love to eat cake, especially at breakfast. According to the documents of the Ministry of Internal Affairs of the Qing Dynasty, the cakes carefully made in the pastry room (later merged into the imperial dining room) in the palace were not only for the court to eat, but also as special offerings for ancestor worship. "Clear barnyard grass notes": "Beijingers are afraid of the word' egg', and cakes are said to be in the trough, saying that when they are made, they will enter the trough."