These fast-food chains serve fish sandwiches made with real cod, pollock, or flounder—not processed fish patties.

If cooked properly, pollock keeps its shape and texture when exposed to high heat. Tilapia is both a budget-friendly and easy-to-find option for fish sticks, as it is widely farmed across the world.

If you can’t get hold of the deliciously meaty black cod fish, you can use a cheaper fish such as pollock ... Lightly oil a non-stick baking tray. Place the fish, skin-side down onto the ...