Among the major cuisines, some dishes are extremely difficult, and the cooking skills and details need to be mastered. The following are some difficult dishes:

1. Hot pot in Sichuan cuisine: Hot pot is a very complicated and difficult dish in Sichuan cuisine, so it is necessary to select high-quality ingredients and accurately control the match of cooking temperature and seasonings to make delicious hot pot.

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

3. Taste of Hu-skin egg in Hunan cuisine: Hu-skin egg is a very famous traditional dish in Hunan cuisine, but it needs a complicated production process to achieve an impressive taste. The difficulty lies in mastering the cooking and seasoning to keep the Hu-skin egg fresh and tender without losing its saltiness.

4. stew in Shandong cuisine: stew is one of the representative dishes of Shandong cuisine, but a lot of seasonings, such as soy sauce, onion, ginger, garlic, pepper, etc., are needed in the production process, and the key links such as the collocation of each seasoning, the adding time and the selection of materials need to be mastered before a delicious stew can be made.

in a word, the essence of delicious food lies not only in its delicacy, but also in the skills and techniques in the production process. These dishes are all technically difficult, and they need deep cooking skills and experience to be successfully made.