Four treasures of winter season

Four treasures refer to iron finches, whitebait, purple crabs and chives. Among them, leek is more common, and scrambled eggs with leek are a home-cooked dish; Iron sparrow is a kind of sparrow, which is a delicious food after cooking in oil; Whitebait is a unique delicacy in the north, which can be dipped in egg white and fried, and its fragrance is palatable; Purple crab is a kind of crab. Although it is as small as copper coins, it is a good tonic in winter.
Reprinted with attribution： https://cnlocality.com/(Chinese Specialty Products)