1, pasta:? Wheat is planted in the north of China, and long summer is the time when wheat appears. Therefore, there is a custom of making and eating pasta in most parts of the north, in order to celebrate the wheat harvest. The pasta in northern long summer mainly includes summer cakes, flour cakes, spring rolls and noodles.

2. Black rice:? Black rice is a kind of purple-black glutinous rice, which is made by collecting the leaves of wild plant Vaccinium bracteatum, boiling the glutinous rice in the boiled soup for a long time, then taking it out and steaming it in a wooden steamer. Black rice is oily and fragrant, and it is cooked by soaking glutinous rice in black leaves for a few hours. Black rice was originally a folk food, which existed in the Tang Dynasty.

3. Amaranth: Amaranth is known as "aphrodisiac grass" and "intestine-washing grass". The history of Chinese chives used as medicine can be traced back to the Spring and Autumn Period and the Warring States Period. In the spring with different temperatures, it is necessary to maintain yang, and leeks are the most suitable for human yang. Leek also contains nutrients such as protein, fat and multivitamins, which have the effects of invigorating stomach, refreshing and strengthening kidney. Spring leek is delicious and nutritious.