Qinglan cake is a famous food in Qinghai. It is made from green flour and baked with rapeseed oil and fragrant bean foam. The golden color of the appearance has already mobilized the appetite. The aroma of the cake flutters in the air. It tastes crispy, sweet and delicious, and chews well. It can also taste the sweetness that is unique to the green. It is loved by many people. The cuisine.