This fish burger with squid and mackerel is a delicious and unique twist on the classic burger. The combination of tender squid and flavorful mackerel creates a rich and savory patty that is perfect for seafood lovers. The burger is topped with fresh lettuce, tomato, and a tangy tartar sauce, adding a refreshing and creamy element to each bite. Serve this fish burger on a toasted bun for a satisfying and flavorful meal.