Among the major cuisines, some dishes are particularly difficult, and the production of these dishes requires certain cooking skills and details. Here are some difficult dishes:

1. Hotpot in Sichuan cuisine: Hotpot is a very complicated and difficult dish in Sichuan cuisine. To make delicious hot pot, it is necessary to select high-quality ingredients and accurately control the matching of heat and seasoning.

2. Steamed abalone in Cantonese cuisine: Steamed abalone is a golden dish in Cantonese cuisine, but the production process is very difficult, and it is necessary to master multiple skills such as steaming time, heat, mushroom type and seasoning collocation.

3. Hunan flavor: Hu's egg is a very famous traditional dish in Hunan cuisine, but it needs complicated production technology to achieve an impressive taste. The difficulty lies in mastering the heat and seasoning, so that Hu eggs are tender and salty.

4. Braised Shandong cuisine: Braised Shandong cuisine is one of the representative dishes, but a lot of seasonings are needed in the production process, such as soy sauce, onion, ginger, garlic and pepper. To make a delicious stew, we need to master the key links such as the collocation of various seasonings, the time of adding and the choice of materials.

In a word, the essence of food lies not only in its delicacy, but also in the skills and techniques in the production process. These dishes are technically difficult and require profound cooking skills and experience to make them successfully.