Baked Gluten-Free Fish and Chips: Your New Favorite Crispy Sheet Pan Dinner
Craving that classic British pub fare but need a delicious gluten-free option? Look no further! Our recipe for Baked Gluten-Free Fish and Chips delivers all the crispy, flaky goodness you love, made healthier and easier on a single sheet pan. Forget the greasy deep fryer; this oven-baked method ensures perfectly golden fish and tender, well-seasoned potato wedges with minimal fuss and cleanup.
This recipe is designed for simplicity without compromising on flavor or texture. Whether you’re managing a gluten intolerance, following a paleo or Whole30 lifestyle, or simply seeking a lighter take on a beloved classic, this dish is a winner. It’s a fantastic way to enjoy a comforting meal that’s both nutritious and incredibly satisfying for the whole family.
Why Choose Gluten-Free Baked Fish and Chips?
Traditional fish and chips often rely on wheat-based batters, making them off-limits for those with celiac disease or gluten sensitivity. Our recipe thoughtfully replaces conventional flour with a blend of almond and cassava flours, creating a light yet wonderfully crispy coating that adheres beautifully to the fish. Here’s why this baked, gluten-free version stands out:
- Healthier Alternative: Baking significantly reduces the amount of oil used compared to deep-frying, leading to a lighter meal without sacrificing crispiness.
- Easy Cleanup: The beauty of a sheet pan meal is the ease of preparation and, perhaps more importantly, the minimal cleanup. Everything cooks together on one or two pans, simplifying your post-dinner routine.
- Incredible Flavor and Texture: The combination of almond and cassava flours provides a fantastic crisp exterior, while the oven gently cooks the fish to tender, flaky perfection. The potato wedges emerge golden and satisfyingly crunchy.
- Dietary Friendly: Naturally gluten-free, this recipe can also be made dairy-free by using a nut milk substitute for the egg wash. It’s a versatile dish that fits various dietary needs.
- Family Favorite: Fish and chips are a universally loved meal. This version allows everyone to enjoy a classic without dietary restrictions holding them back.
The Magic of Sheet Pan Meals
Sheet pan dinners have revolutionized weeknight cooking, and for good reason! They offer unparalleled convenience, allowing you to cook a complete meal – protein, starch, and often vegetables – on a single pan. This not only streamlines the cooking process but also cuts down dramatically on dishwashing. For our gluten-free fish and chips, the sheet pan method means:
- Even Cooking: Spreading ingredients in a single layer ensures consistent airflow and even cooking, leading to perfectly crispy results for both the fish and potatoes.
- Time-Saving: With minimal active cooking time, you can prep your ingredients, pop them in the oven, and let the magic happen, freeing you up for other tasks.
- Flavor Fusion: As the ingredients cook together, their flavors meld beautifully, creating a more cohesive and delicious dish.

Crafting the Perfect Crispy Potato Wedges
The “chips” are just as important as the fish! Achieving that desirable crispy exterior with a fluffy interior requires a few simple tricks:
- Choose the Right Potato: Russet potatoes are ideal for wedges due to their starchy content, which yields a crispy outside and a soft, tender inside. Yukon Gold or even sweet potatoes can also be used for a variation.
- Thin Cuts are Key: As mentioned in our tips, don’t cut your wedges too thick. Thinner wedges (aim for about 12-16 per medium potato) ensure faster cooking and maximum crispiness.
- Generous Seasoning: Tossing the wedges in avocado oil, sea salt, and black pepper before baking is crucial. The oil helps with browning, and the seasoning infuses flavor.
- Proper Spacing: Overcrowding the pan is the enemy of crispiness. Ensure your potato wedges are spread out in a single layer with enough space between them. If necessary, use two sheet pans to prevent steaming.
- Timing is Everything: Baking the potatoes for 15 minutes before adding the fish gives them a head start, ensuring they finish cooking at the same time as the fish.
Preparing the Flaky Gluten-Free Fish
The star of the show, of course, is the fish. Cod is a fantastic choice for this recipe due to its mild flavor and flaky texture, but feel free to experiment with other white fish varieties.
- Fish Selection: While cod fillets are recommended, haddock, tilapia, halibut, or even pollock are excellent substitutes. Opt for fresh or thawed fish fillets, ensuring they are firm and have a clean smell.
- Pat Dry, Pat Dry, Pat Dry: This step cannot be stressed enough! Excess moisture on the fish will prevent the breading from sticking properly and result in a soggy, rather than crispy, crust. Use paper towels to pat the fillets thoroughly dry.
- The Gluten-Free Breading: Our blend of almond and cassava flours creates a delightful texture. Almond flour adds a subtle nutty flavor and crispiness, while cassava flour, a root vegetable flour, provides a binding quality and light, airy crunch. Seasoning the flour mixture with garlic powder, onion powder, paprika, and sea salt ensures every bite is packed with savory flavor.
- Dredging Technique: Create a simple assembly line: shallow dish with whisked egg (or milk), followed by a shallow dish with the seasoned flour mixture. Dip the fish first in the wet, then in the dry, pressing gently to ensure a full, even coating. This two-step process is essential for that perfect crust.

Essential Tips for Perfect Gluten-Free Fish and Chips
- Using a Single Sheet Pan for Convenience: If you’re working with a generously sized sheet pan (typically a half-sheet pan measuring 18×13 inches), you might be able to fit both the potatoes and fish on one. To do this, simply remove the potatoes after their initial 15 minutes of cooking to make space, add the coated fish to the same pan, and then return everything to the oven to finish baking together. This minimizes dishes even further! Just be sure not to overcrowd the pan, as this can lead to soggy rather than crispy results.
- Achieving Maximum Crispiness: Egg vs. Coconut Milk: For an exceptionally crisp “crust” on your fish, we highly recommend using a whisked egg as your wet coating. The proteins in the egg create a firmer, more substantial breading once baked. If you require an egg-free or dairy-free option, unsweetened coconut milk (or another preferred nut milk) works well as a substitute, though the crust may be slightly less robust. Both options provide an excellent base for the flour mixture to adhere to.
- The Secret to Crispy Wedges: Thin Cuts: The thickness of your potato wedges directly impacts their cooking time and crispiness. Avoid cutting them too thick, as this will significantly prolong the baking process and may result in a less crispy exterior. For optimal results, each medium russet potato should yield approximately 12-16 relatively thin wedges. If you find your slices are thicker than this, consider slicing them again to achieve that ideal balance of tender interior and crunchy outside.

Delectable Sauces to Elevate Your Meal
While delicious on their own, fish and chips truly shine with the right dipping sauce. Our recipe card includes a simple yet incredibly flavorful homemade tartar sauce that perfectly complements the crispy fish and chips for a truly classic experience. Made with fresh ingredients, it’s far superior to store-bought versions.
However, if you’re feeling adventurous or simply want to try something a little different, here are a couple of other fantastic dipping options:
- Classic Homemade Tartar Sauce: Our recipe features a simple blend of mayo, diced dill pickle, mustard, dill, and lemon juice. The tanginess of the pickle and lemon, combined with the creamy mayo, creates a refreshing contrast to the richness of the fried fish. It’s incredibly easy to whip up while your fish and chips are baking.
- 5-Minute Homemade Chipotle Aioli: For those who love a bit of a kick, our 5-Minute Homemade Chipotle Aioli offers a smoky, spicy alternative. Its creamy texture and bold flavor add an exciting dimension to the meal.
- Homemade Big Mac Sauce (Copycat Recipe): Surprisingly, our Homemade Big Mac Sauce also pairs wonderfully with fish and chips! Its tangy, sweet, and savory profile provides a unique and incredibly satisfying dip that’s fun for the whole family.
- Fresh Lemon Wedges: Don’t underestimate the power of a simple squeeze of fresh lemon juice! It brightens the flavors of the fish and adds a zesty finish.

What Our Readers Are Saying
This recipe is truly fantastic! I made it tonight, and it turned out absolutely perfect – crispy, flavorful, and incredibly satisfying. Thank you for sharing such a wonderful gluten-free option!
Robyn
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Baked (Crispy!) Gluten-Free Fish and Chips
Oven baked gluten-free fish and chips, breaded in a savory mix of almond and cassava flours, are crispy on the outside and perfectly cooked on the inside. This easy sheet pan meal comes with thin-cut potato wedges (“chips”) and is ideal for dipping in homemade tartar sauce. A healthy and delicious take on a classic!
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Ingredients
Quantities below are for 1x serving (4 people). You can adjust ingredient amounts for ½, 2x, or 3x servings.
For the Chips:
- 2 medium russet potatoes, cut into thin wedges
- 1 tbsp avocado oil
- 1 tsp sea salt
- 1 tsp pepper
For the Fish:
- 1.5 lbs cod fillets (about 4 small fillets) (or sub other flaky white fish like haddock, tilapia or halibut)
- 1 egg, whisked (can sub 1/2 cup milk or nut milk for egg-free)
- 1/2 cup almond flour
- 1/4 cup cassava flour
- 1 tsp garlic powder
- 1 tsp onion powder
- 1 tsp paprika
- 1 tsp sea salt
For the Sauce (optional homemade tartar sauce):
- 1/2 cup mayo
- 2 tsp diced dill pickle
- 1/2 tsp mustard
- 1/2 tsp dill
- 1/2 tsp lemon juice (or sub apple cider vinegar)
Instructions
- Preheat Oven & Prepare Pans: Preheat your oven to 400° Fahrenheit (200°C). Line two medium sheet pans with parchment paper for easy cleanup and to prevent sticking.
- Prepare the Chips: Carefully cut the russet potatoes into thin, uniform wedges. Spread them out evenly in a single layer on one of the prepared sheet pans. Drizzle the wedges with avocado oil and season generously with sea salt and black pepper. Toss gently to ensure all wedges are thoroughly coated. Place this pan in the preheated oven to bake for an initial 30 minutes.
- Prepare the Fish Breading: While the potato wedges are baking, set up your dredging stations for the fish. In one shallow dish, whisk the egg until smooth. If you are using an egg-free option, pour 1/2 cup of coconut milk or your preferred nut milk into a shallow dish instead. In a separate shallow bowl, combine the almond flour, cassava flour, garlic powder, onion powder, paprika, and sea salt. Mix these dry ingredients very well until fully combined and evenly seasoned.
- Coat the Fish: Pat the cod fillets thoroughly dry using paper towels. This crucial step helps the breading adhere best. Dip each piece of fish first into the whisked egg (or milk) to coat completely, allowing any excess liquid to drip off. Then, transfer the fish to the flour mixture, pressing gently on both sides to ensure an even, thick coating. Place each coated fish fillet carefully on the second prepared sheet pan, ensuring they are not touching.
- Bake the Fish & Finish Chips: After the potato wedges have baked for 15 minutes (halfway through their cooking time), carefully place the second sheet pan with the coated fish into the oven alongside the potatoes. Continue baking both for an additional 15-20 minutes, or until the fish is fully cooked, opaque throughout, and its coating is golden brown and crispy. The potatoes should also be tender on the inside and nicely crisped on the outside.
- Make the Tartar Sauce (Optional): If you are making the optional homemade tartar sauce, combine all the sauce ingredients—mayonnaise, diced dill pickle, mustard, dill, and lemon juice—in a small bowl or jar. Mix well until everything is incorporated. Taste and adjust seasonings (more salt, pepper, or lemon) as desired.
- Serve: Once both the crispy fish and golden potato wedges are cooked to perfection, carefully remove them from the oven. Serve immediately with fresh lemon wedges for a bright squeeze and a generous side of your delicious homemade tartar sauce for dipping. Enjoy your perfectly baked gluten-free fish and chips!
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Craving More Delicious Seafood?
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