Bubble cake is a famous China cake in Houma, Shanxi. This kind of cake is fried in an oil pan. When cooked, it looks like a bunch of bubbles, so it is also called "bubble oil cake".
Linfen is a prefecture-level city and a sub-central city in Shanxi Province. It is located in the southwest of Shanxi Province, in the middle reaches of the Yellow River, by the Fenshui River, with Taiyue in the east and Lvliang in the west, with a vast and rich basin in the middle. Han Xin Ridge is adjacent to Jinzhong City and Lvliang City in the north, Changzhi City and Jincheng City in the east, Yuncheng City in the south and Shaanxi Province in the west.