Health cake

"Health cake" is a Chinese food for miners' class invented by Jiayang Coal Mine. It is kneaded into a dough with first-class flour, milk, and pig suet, and filled with sugar, peanuts, and walnuts. It is baked by coal fire. It is fragrant inside and crisp outside, and is famous throughout Sichuan. The "health cake" is made in a quantitative way. The underground staff will distribute one cake per shift and send it to the underground by a specially assigned person to replenish the physical strength of the miners, meaning to protect their health. If government officials want to eat "health cake", they go down to the well. "earn health care" has become a synonym for officials going down to the well.