There are beef and beef offal (tongue, belly, heart, scalp, etc.) in the couple's lung slices.

Husband and wife lung slices are a traditional dish in Chengdu, Sichuan Province, which belongs to Sichuan cuisine. This dish was created by Guo Chaohua and Zhang Tianzheng. Usually, beef scalp, beef heart, beef tongue, beef tripe and beef are the main ingredients, marinated and then sliced. Add Chili oil, pepper noodles and other auxiliary materials to make red oil and pour it on it. It is fine in production, beautiful in color, tender and delicious, spicy and fragrant, and very palatable. On September 1, 218, "Chinese food" was officially released, and the husband and wife lung slices were rated as the top ten classic dishes in Sichuan. ?

Legend and allusion of husband and wife lung slices:

According to legend, at the end of the Qing Dynasty, there were many vendors in the streets and lanes of Chengdu, carrying loads and baskets to sell cold lung slices. The low-cost leftover bits and pieces of beef offal are sliced after being cleaned and marinated, and mixed with soy sauce, red oil, pepper, pepper noodles and sesame noodles. The flavor is unique and cheap, which is especially popular among rickshaw pullers, porters and poor students.

The development history of husband and wife lung tablets:

In 193s, Guo Chaohua, a native of Chengdu, and his wife Zhang Tianzheng were engaged in the manufacture and sale of cold lung tablets. The husband and wife personally operated them, walking around the streets and selling them with baskets. Because the leftover material of beef shop is selected as the ingredients, it is cheap and delicious, and it is very popular. Later, they found that the taste of the cow lung was not good, so they canceled the cow lung.

in p>1933, Mr. and Mrs. Guo set up a shop near Chengdu Banbianqiao (on the right side of the back door of People's Park today). The name of the shop was officially named "Husband and wife lung tablets", and the plaque was inscribed by calligrapher Zhao Yunyu. After several changes, the store moved to the west street of prefect in downtown street, which expanded its business scale and added beef noodles. Customers can not only taste lung slices, but also eat pasta to satisfy their hunger.

after the founding of the People's Republic of China, during the period of public-private partnership, the couple's lung slice shop of the Guo family, like other traditional restaurants, was merged into state-owned units. After several generations' efforts, the couple's lung slices have become a famous cooked food takeaway shop at home and abroad.

Introduction of Chengdu, Sichuan Province:

Chengdu, also known as Rongcheng and Jincheng for short, is the capital of Sichuan Province, the only sub-provincial city in southwest China, a megacity, an important national high-tech industrial base, trade logistics center and comprehensive transportation hub, and an important central city in western China. In 217, the city has jurisdiction over 2 districts (cities) and counties, high-tech zones and Chengdu directly under Tianfu New District, with an area of 14,6 square kilometers, a permanent population of 16.45 million (as of 217), a GDP of over 1,388.939 billion yuan (as of 217) and an urbanization rate of 71.9%.

Chengdu is located in the west of Sichuan Basin, in the hinterland of Chengdu Plain, with flat terrain, vertical and horizontal river networks, rich products and developed agriculture, which belongs to subtropical monsoon humid climate and enjoys the reputation of "Land of Abundance" since ancient times. It is the fourth largest aviation hub in China and has the largest number of consular offices in inland areas; As an important electronic information industry base in the world, there are 3 state-level scientific research institutions, 67 state-level R&D platforms and 56 universities, with about 3.89 million talents (as of 217); There are 281 Fortune 5 companies (as of 217).

in January p>219, Chengdu was selected as the "top 2 charming cities with world characteristics in 218". In the same month, Chengdu was selected as the "Top 5 Cities with the Most Investment Potential in China in 218".

By the end of 217, the resident population of Chengdu was 16.45 million, an increase of .8% over the previous year. The urbanization rate of the city reached 71.9%. At the end of the year, the registered population of the city was 14.353 million, including 8.512 million in urban areas and 5.841 million in rural areas. Twelve new policies for talents were introduced, and more than 11, full-time young talents with bachelor degree or above were settled. Chengdu is a multi-ethnic scattered city, with 54 ethnic minorities in addition to the Han nationality. According to the statistics of the fifth census, the population of ethnic minorities in Chengdu is 6538, and there are a large number of temporary and floating ethnic minority compatriots. There are ten ethnic groups with a population of 1,, including Hui, Tibetan, Manchu, Mongolian, Miao, Yi, Tujia, Qiang, Zhuang and Korean. According to the statistics of the sixth census, among the permanent residents in the city, the Han population is 13,92,686, accounting for 99.1%; The population of ethnic minorities is 126,939, accounting for .9%.

Chengdu is located in the transition zone from northwest Sichuan Plateau to Sichuan Basin, and has its own unique climate resources.

first, the climate between the east and the west is different. Due to the disparity between the east and the west of Chengdu, the heat decreases sharply with the rapid increase of altitude, so there is a pattern that the east is warm and the west is cool. Moreover, in the mountainous areas around the western basin, the temperature at the same time between the mountains and the mountains can be different by several degrees, and even there are many climate types from bottom to top, such as warm temperate zone, temperate zone, cold temperate zone, sub-frigid zone and cold zone. This vertical change of heat has created very favorable conditions for Chengdu to develop agriculture, especially diversified economy.

Second, the winter is wet and cold, the spring is early, the frost-free period is long, the four seasons are distinct, and the heat is abundant. The annual average temperature is about 16°C, the annual average active accumulated temperature ≥ 1 C is 47～53°C, and the frost-free period is 278 days throughout the year. The first frost period generally occurs at the end of November, and the last frost period generally occurs in late February. The average temperature in Leng Yue (January) in winter is about 5 C, and the weather with the lowest temperature below C is concentrated in the middle and late December.

thirdly, there is little spring rain in winter, rainy in summer and autumn, and abundant rainfall, with an average annual precipitation of 9-13mm, and the interannual variation of precipitation is not great, and the ratio of the maximum annual precipitation to the minimum annual precipitation is about 2: 1. Fourth, light, heat and water are basically in the same season, and the combination of climate resources is reasonable, which is very conducive to biological reproduction. Fifth, the wind speed is small, and the wind speed in the vast plains and hilly areas is 1 ~ 1.5 m/s; There are few sunny days, the sunshine rate is between 24% and 32%, the annual average sunshine hours are 142 ~ 1412 hours, and the annual average total solar radiation is 83. ~ 94.9 km/cm2.

the extreme minimum temperature in Chengdu is -5.9℃, most districts, cities and counties appear in December, and a few appear in January. Chengdu belongs to the humid monsoon climate zone in the middle subtropical zone, and the most frequent wind direction in Chengdu all the year round is static wind; The second wind direction: the north wind in June, July and August, and the north-northeast wind in other months.