What knowledge do top chefs have that amateurs lack?

Experience that becomes an advantage by how well you actively question. Passion & hard work can go a long way if you continuously & curiously question what has been done; and that is one gift that comes with time.

• Modifying dishes as per the taste of the local demand
• Hygiene
• Presentation
• Constant upgrades
• Quick and Efficient
• Can work under stress with ease
• good knowledge about purchasing
• budgetting
• storage

Experienced and continues learning are the things that amateur chef must gain  like aspiring with  passion to  create and develop  new ideas to make a brand or a trade mark. 

Lack of communication skills and knowledge of customer test (preferences)

top chef are professional, payeable, specialised while an amateurs are non professional, non specialised and even do activities just for pleasure but not as job.

Hands on skills, Cuisine knowledge, experience, working in pressure situations, management of kitchen

the medical diet food .....which is good for fast recovery

As a human or a chef I not belive I am a complete man, have to utlize even single opertunity to learn till my end of life.

i have just8 years of experience on below mentioned 

•Continental, Tandoor, Sea food, Butchery.

• Fast food preparation( burger, pastas, sandwiches, salads ete.)

Cleanliness of the tools most important thing