Douhua
Douhua is a Chinese sweet or savoury snack made with silken tofu. It is also referred to as doufuhua (Chinese: 豆腐花; pinyin: dòufuhuā), tofu pudding, soybean pudding or, particularly in northern China, tofu brains (Chinese: 豆腐脑; pinyin: dòufunǎo). Tofu is thought to have originated in ancient China during the Han Dynasty. Liu An, the grandson of Emperor Gaozu of Han, was ambitious and wanted to invent something to make people live forever. Even though he failed to make the magic pill, he used soybean and bittern to finally get niveous and tender tofu, which was surprisingly tasty. People named it "tofu brains" because of its softness. Tofu brains then became a popular snack during Han Dynasty. In the next 2000 years, it gradually spread throughout China. During the Second Sino-Japanese War, Sichuan became the political, economical, and military center of China. The boss of a famous Douhua restaurant, Liu Xilu, learnt the methods of making beancurd from others and innovated on them until he finally came up with his own "secret recipe", which greatly improved its taste.
Source: Wikipedia