Tom Yum is probably the most famous of Thai soup and is popular not only in Thailand but in Thai restaurants worldwide. It is a clear, sour soup flavored with fragrant lemon grass, galangal and kaffir lime leaf.
Tom Yum Goong is the most well-known variety of Tom Yum and makes use of shrimp as the main ingredient of the dish but you may also use firm flesh fish , chicken or mushrooms for a vegetarian version.