Craving fried fish, but looking for something slightly healthier?

Try these crispy baked fish sandwiches with avocado mayo and pickled onion.

Its the creamy, crunchy, tangy bite youve been looking for.

Crispy Oven Baked Fish Sandwiches with Mayo and Tangy Pickled Onions

Sally Vargas

This crispy fish sandwich hits all of those notes and does the job right.

Because the fish is baked and not fried, its a little healthier, too.

If you’ve got the option to get a fillet of halibut, thats a terrific choice.

Fish Sandwiches with Avocado Mayo

Sally Vargas

Cod and grouper will also work well for this recipe.

Ask your local fishmonger for suggestions if you cant find any of the fish listed.

A plate of deep fried fish, however, shouldnt be your go-to option.

Crispy Oven Baked Fish Sandwiches with Mayo and Tangy Pickled Onions

Sally Vargas

This oven-baked version is a healthier spin on fried fish with plenty of pleasing crunch.

Swaps and Substitutions

Feel free to tinker with the sandwich ingredients to make them your own.

A simple green salad will do or this Easy Cucumber Salad.

Crispy Oven Baked Fish Sandwiches

Sally Vargas

You may need more panko, since the surface area of the fish will increase slightly.

Youll also want to cut the cooking time a bit, since the pieces of fish will be smaller.

Submerge the onions in the liquid and set aside.

Red onions pickling in a glass bowl to make Crispy Oven Baked Fish Sandwiches.

Sally Vargas

Stir the onions occasionally, pressing them into the liquid, while you prep the sandwiches.

Cut the fish into 4 equal pieces that will work well with the bun size.

Season all sides with 1 teaspoon kosher salt and black pepper.

Raw fish fillets seasoned to make Crispy Oven Baked Fish Sandwiches.

Sally Vargas

Generously coat a baking sheet (the darker the better) with cooking spray.

In a small shallow bowl, combine the panko, garlic powder, and cumin.

In another small shallow bowl, crack and whisk the eggs.

Fish fillets coated with flour to make Fish Sandwiches with Avocado Mayo.

Sally Vargas

In a third shallow small bowl, add the flour.

Organize your workstation as such: flour, eggs, panko, baking sheet.

Dip a piece of fish in the flour to coat it on all sides, shaking off excess.

Fish fillet dipped in egg to make Fish Sandwiches with Avocado Mayo.

Sally Vargas

Submerge the fish in the beaten eggs, coating all sides, and allow the excess to drip off.

Finally, dredge fish in the seasoned panko until thoroughly coated on all sides.

Lay on the sheet pan.

Fish fillet coated in breadcrumbs to make Crispy Oven Baked Fish Sandwiches with Mayo and Tangy Pickled Onions.

Sally Vargas

Repeat with the remaining pieces of fish.

Generously coat the top of the fish with non-stick cooking spray as if adding a coat of paint.

Sprinkle with a pinch of kosher salt over the top of each piece of fish.

Fish fillets on a baking sheet to make Crispy Oven Baked Fish Sandwiches with Mayo and Tangy Pickled Onions.

Sally Vargas

While the fish bakes, mash avocado in a small bowl using a fork.

Add the lime juice, mayonnaise, and remaining 1/4 teaspoon kosher salt and combine until fairly smooth.

Place the buns on a baking sheet and put them in the oven to warm, about 1 minute.

Spraying fish fillets with cooking oil for Crispy Oven Baked Fish Sandwiches with Mayo and Tangy Pickled Onions.

Sally Vargas

You want the buns soft and warm, not fully toasted.

Top the fish with a tangle of pickled onions and as many pickled jalapenos as you desire.

Cover with the top bun.

Baked fish fillets for Fish Sandwiches with Avocado Mayo.

Sally Vargas

Avacado mayo in a bowl to make Fish Sandwiches with Avocado Mayo.

Sally Vargas