You may eat at room temperature or reheated.
You may reheat in the oven or in an air fryer (microwave not recommended).
To reheat in an oven, preheat the oven to 350°F and place codfish cakes on a wire rack on a baking sheet, so that the air can circulate around them and maintain their crispiness. Bake for about 6-8 minutes.
If you happen to own an air fryer, you can reheat your codfish cakes in its basket. Preheat the air fryer to 375°F. Arrange the codfish cakes in a single layer and cook for about 5 minutes, flipping it once to ensure even cooking. Resist the urge to pile up frituras in the basket. To maintain its crispiness, cook in a single layer. This may mean cooking no more than 3 pieces at a time.