Tortillitas de Bacalao refers to an exquisite cod dish; cod fritters. In this Spanish dish, a mixture of flour, cod, and spices are made into a paste, rolled flat, and then deep-fried. Tortillitas de Bacalao is also called Tapa Sevillana de Semana Santa. Tapas are a variety of small savory Spanish dishes that are generally served as a snack with drinks, or with other Tapas as a meal.