Seafood
McDonald's Inspired Filet-O-Fish
A crisp square white-fish fillet on a soft steamed bun with tangy pickle-forward tartar sauce and a half slice of melty American cheese.
Inspired by McDonald's
Prep
25 min
Cook
18 min
Serves
4 servings
Difficulty
Medium
Method
Recipe notes
Fine crumbs make a smoother fast-food-style shell than coarse panko alone, while a little crushed panko keeps it crisp. Choose fillets of even thickness and trim them to the bun before breading so every sandwich cooks at the same rate.
Planning, storage, and serving
Storage and reheating
Refrigerate cooked fish within 2 hours and use within 2 days. Reheat fillets on a rack in a 400°F oven until hot and crisp; store buns and tartar sauce separately and do not refry cooked fish in deep oil.
Make-ahead tips
Mix tartar sauce up to 3 days ahead. Cut and season fish several hours ahead, but bread it no more than 30 minutes before frying so the coating does not become heavy or gummy.
What to serve with it
- - Thin oven fries
- - Vinegar-dressed slaw
- - Dill pickle spears
Equipment needed
- - Heavy pot or Dutch oven
- - Frying thermometer
- - Wire rack and sheet pan
Difficulty explained
Maintaining 350°F oil and handling delicate fish are the only demanding parts; organized breading and small batches make the process reliable.
Nutrition estimate
Calories
510
Protein
30g
Carbs
48g
Fat
23g
Sat. fat
5g
Fiber
2g
Sugar
5g
Sodium
920mg
Estimated nutrition per serving. Values are approximate and can change materially with brands, substitutions, optional toppings, portion size, and cooking method.
Alternatives
Apply a reviewed substitution to this temporary working copy. The published recipe stays unchanged.
Plain Greek yogurt
Replace up to half the mayonnaise with plain Greek yogurt.
1-to-1 gluten-free baking flour
Use a commercial cup-for-cup blend that includes xanthan gum.
Mild cheddar cheese
Use the same number of thin mild cheddar slices for a less processed cheese option.
Type the ingredient you're missing — we'll find what you can use instead.
Pitfalls to Watch Out For
- Wet fish makes the breading slide off, so blot every surface thoroughly before the flour step.
- Oil below 340°F produces a greasy coating; fry in small batches and pause until it returns to 350°F.
- Over-steaming the buns makes them soggy, so use only a barely damp towel and a very short warming time.
Nutrition Context
- White fish supplies lean protein; frying, tartar sauce, cheese, and the bun account for most of the fat and sodium.
- Oven-baking and using a measured layer of tartar sauce can substantially reduce added oil while preserving the sandwich identity.
FAQ
Can I use frozen fish?
Yes. Thaw it completely in the refrigerator, press out excess moisture, and pat it especially dry before seasoning.
Why did my breading fall off?
The fish was likely damp or the coating did not rest. Dry it well and let the breaded fillets sit 8 to 10 minutes before frying.
Can I air-fry the fillets?
Yes. Spray both sides with oil and air-fry at 400°F until crisp and 145°F, usually 9 to 12 minutes depending on thickness.
Why only half a cheese slice?
It gives the familiar mild melt without masking the fish or making the compact sandwich overly heavy.
How do I keep the sandwich crisp?
Drain on a rack, assemble only at serving time, and keep tartar sauce on the bun rather than resting it directly on the crust for long.
What sides pair best with this dish?
Thin fries, bright slaw, and pickle spears provide the classic contrast to the soft bun and rich sauce.