This Breaded Fish Stick Casserole recipe is a delicious weeknight meal your whole family will love! Made with just a few simple ingredients, it’s a quick and easy dinner option that’s sure to please everyone.
That spoonful of relish with the mayonnaise gives the sauce a tartar sauce taste that's the perfect combination with the fish.
Next time try the Ultimate Chicken Casserole!

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Why you'll love this recipe
✔️This easy recipe is quick and only requires you to put a few items on your shopping list.
✔️ A classic favorite with a great flavor that your entire family is going to love.
✔️ This fish casserole is a great way to change up your dinner routine. and will quickly become a favorite family recipe.
Ingredients

For the exact measurements, please refer to the printable recipe card at the bottom of this post.
- frozen shredded hash brown potatoes
- cream of chicken soup
- mayonnaise you can substitute with sour cream if you prefer.
- lemon juice or lime juice
- sweet pickle relish
- dry ranch dressing
- shredded cheese
- frozen fish sticks - I used gorton’s fish sticks.
Instructions

This is an overview of the instructions. For the complete directions just scroll down to the bottom!
- Pre heat oven to 375 degrees. Prepare baking dish, set aside.
- In large mixing bowl, stir together well the soups, mayonnaise, relish, lemon juice, dry ranch dressing mix and 1 cup cheese. Fold in potatoes.
- Spoon into prepared baking dish and spread evenly.
- Sprinkle the top of the potato mixture with the remaining shredded cheese.
- Top with as many fish sticks as you can fit, covering top of the casserole dish.
- Place uncovered in preheated oven and bake until bubbly and fish sticks are lightly browned, about 35-40 minutes.
- Let sit 5 minutes before serving.
Equipment
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- 9x 13 casserole dish
- large bowl
- measuring cup and spoon
FAQ's
Yes, most frozen fish sticks are precooked. You will just need to heat them through in the oven on the casserole before serving.
For this recipe, you will need to cook the frozen fish sticks for about 35-40 minutes.
Undercooked fish sticks will be pale in color and may have a rubbery texture.
Things to know
- Be sure to spray your casserole dish well with nonstick cooking spray that so clean-up is a breeze.
- For additional flavor, you can sprinkle a little parmesan cheese on the top.
- If you want a little more flavor to your creamy sauce you can add black pepper, garlic powder, fresh dill, and onion powder.
- The fish sticks should be golden brown and crispy when you remove this casserole from the oven.
- Be sure to thaw the hash browns. The easiest way take them from the refrigerator and place them in the fridge the night before.
- Since the main ingredient is the fish, purchase the best fish sticks you can afford.
- Place a baking sheet under the casserole to catch any drips and help keep your oven clean.

Variations
- Add in some chopped vegetables or frozen vegetables such as bell peppers, onions, celery, etc to stretch this fish stick casserole recipe.
- Try using a different type of cheese such as cheddar, mozzarella, or swiss cheese.
- Switch up the breaded fish sticks – you could use breaded shrimp, crab cakes, or even chicken nuggets!
- If you want a little bit of a crunch, you could add crushed-up crackers or a seasoned breadcrumb mixture to the top of the casserole.
- For a spicy take on this casserole add hot sauce or a pinch of red pepper flakes.
- Out of cream of chicken soup? Cream of mushroom soup or even cheddar cheese soup can be used instead.
- A splash of worcestershire sauce and a teaspoon dill weed to the sauce prior to baking is yummy!
Storage
Refrigerate - You can store this Fish Stick Casserole in the fridge for 3-4 days.
Freezer - To freeze, first wrap the casserole dish tightly with plastic wrap. Then, wrap again with aluminum foil. Label and date the casserole, then place in the freezer for up to 2 months. When ready to eat, thaw in the fridge overnight and then bake as directed.
Reheat - Leftovers can be reheated in the oven, covered, at 350 degrees for about 20-25 minutes or until heated through.
Related recipes
There are several terrific hash brown casseroles on the blog for you to try! The Cracker Barrel Cheesy Casserole - I love the crispy topping! Or the Cheesy Hash Brown Casserole.
- Want to change up your weekly meal rotation? Then next time give this Creamy Beef Noodle Casserole recipe. It makes for a great main dish recipe.
- If you are a fan of tater tots then you are going to love this cheesy and beefy Cowboy Tater Tot Casserole recipe.
- Tuna Casserole Recipe is the ultimate comfort food recipe! And here are plenty of ideas if you're wondering what to serve with Tuna Casserole.
- Are you looking for a new potato casserole to make? If so, look no further than this Cracker Barrel Cheesy Casserole recipe. It's just what you are searching for.
- The flavors in Slow Cooker Paella are outstanding. Fish tacos are always a hit, we love this recipe! Take a shortcut and use homemade fish sticks for fish stick tacos.
Serve with
- Air Fryer Garlic Bread is yummy with this recipe.
- Crispy Baked Brussels Sprouts are easy to make and so tasty, they are a delicious side dish that your whole family will enjoy when you serve them with this fish stick casserole recipe.
- I love to serve green beans with this hearty comfort food casserole. And, these Steamed Green Beans are always a family favorite side dish. Prefer steamed Brussels sprouts? These are so yummy!
- Are you a fan of yeast rolls? I love how they pair well with just about any meal, and this Easy Yeast Roll recipe is my go-to recipe.
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Fish Stick Casserole Recipe
Equipment
Ingredients
- 30 ounces frozen shredded hash browns thawed
- 21.5 ounces cream of chicken soup 2 cans
- 1 cup mayonnaise
- 1 lemon juiced
- 2 tablespoon sweet pickle relish
- 1 tablespoon dry ranch dressing
- 3 cups shredded cheese
- 18-24 frozen fish sticks as many as you need to cover the top of the casserole dish.
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Instructions
- Preheat oven to 375 degrees. Spray a 13x9 glass baking dish, set aside.
- In large mixing bowl, stir together well the soups, mayonnaise, relish, lemon juice, dry ranch dressing mix and 1 cup cheese. Fold in potatoes.
- Spoon into prepared baking dish and spread evenly.
- Sprinkle the top of the potato mixture with the remaining shredded cheese.
- Top with as many fish sticks as you can fit, covering top of the casserole dish.
- Place uncovered in preheated oven and bake until bubbly and fish sticks are lightly browned, about 35-40 minutes.
- Let sit 5 minutes before serving.
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