Tom Yum Soup

Bring water or stock to a boil in a pot.

Chop lemongrass and add with lime leaves and chilies.

Simmer briefly to infuse flavors.

Add mushrooms and tomatoes and cook until tender.

Stir in shrimp and cook until pink.

Season with fish sauce, lime juice, and sugar.

Taste and adjust seasoning if needed.

Remove herb pieces if desired.

Ladle into bowls and serve hot.