Cha Ca is a famous Vietnamese dish that originated in Hanoi. It consists of grilled fish, typically catfish or snakehead fish, marinated in turmeric and galangal, then served with vermicelli noodles, fresh herbs, peanuts, and shrimp paste. The dish is cooked tableside, with the fish being grilled right at the table. Cha Ca is known for its unique flavors and is a must-try dish for seafood lovers visiting Hanoi.