the definition of gourmet desert varies from person to person, because everyone has different tastes and preferences. Generally speaking, some cities with global fame may be considered as food deserts because of their diverse cultures, complex cuisines or highly internationalized catering industries.

1. Beijing: Although Beijing is the capital of China, some people think that the catering industry in Beijing is not as developed as other cities and lacks diversity and characteristics.

2. Singapore: Although Singapore has diverse cultures and rich cuisines, some people think that Singapore lacks local characteristics because of its highly internationalized catering industry.

3. Sydney: The catering industry in Sydney is dominated by western food, lacking local characteristics and diversity, so it is considered as a gourmet desert by some people.

4. new york: Although new york is a world-famous big city, some people think that new york lacks special features and local catering because of its diverse culture and complex catering market.

It should be noted that the definition of gourmet desert is not absolute, but relative.

every city has its own unique food culture and characteristics, but it may be unknown or not widely recognized in some aspects.