To buy fish similar to McDonald's Filet-O-Fish, look for frozen Alaska Pollock fillets (often breaded/battered) at grocery stores like Aldi (their brand is popular), Walmart (Great Value), or general supermarkets, plus brands like Gorton's or Sealord; you'll want mild white fish like pollock or cod for the right taste and texture, plus brioche buns and tartar sauce to complete the sandwich.
We use wild-caught Alaska Pollock for our Filet-O-Fish® sandwich in the U.S., which is 100% sourced from sustainable fisheries. Why is sustainable fish so important to us? Because it helps protect our oceans—something that's important to you. Interested in learning more about the Filet-O-Fish®?
For a more economical option, then, the 365 Breaded Fish Squares is the next best choice. But for the single most satisfying Filet-O-Fish copycat, the Stouffer's Fish Filet Frozen Meal is the leading product on the market.
The Pollock and Hoki used in our fish portions is caught in some of the world's cleanest waters. We only use quality 100% Australian RSPCA Approved chicken, supplied by familiar brands like Baiada and Inghams.
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The best fish to buy in Australia depends on your preference, with popular choices including versatile Barramundi, Snapper, and Flathead, while King George Whiting & Pearl Perch are top-tier for flavour, and Blue-eye Trevalla offers a meaty, mild option; consider Tuna for steaks or Blue Swimmer Crab for ease, always checking with your fishmonger for the freshest, most sustainable catch like WA Dhufish or Coral Trout.
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Hoki and flathead are popular white fish for eating, but differ in flavor, texture, and sustainability: Hoki is affordable, mild, flaky, great for fish & chips (often imported), while Flathead offers a sweeter, more delicate taste, firm texture, and is prized (especially local varieties like Rock Flathead) but pricier and sometimes less sustainable depending on origin, with Rock Flathead often a top sustainable choice in Australia.
Pollock is a member of the cod family. They can grow as long as 3 feet but typically reach lengths between 12 and 20 inches and weigh between 1 and 3 pounds. They have speckled coloring that helps them blend in with the seafloor to avoid predators.
Try These Hacks With Your McDonald's Filet-O-Fish Sandwich And Thank Us Later
From a health perspective, the Filet-O-Fish and McChicken sit within a similar nutritional range. However, the McChicken's higher fat content may be a consideration for those mindful of their intake. The Filet-O-Fish offers a leaner alternative, albeit by a slim margin.
Globally, 99% of the fish sourced for Filet-O-Fish sandwiches come from sustainably managed, wild caught fisheries. (We're working to get that number up to 100%!) In the U.S., Filet-O-Fish sandwiches are made with 100% wild-caught Alaska Pollock that's also always sustainably sourced.
With the NEW Double Filet-O-Fish® making waves, we wanted to share some Filet-O-Facts 👇 Did you know that the 100% Alaskan Pollock in our Filet-O-Fish® is sustainably sourced from MSC-certified fisheries?
Our fish sandwich recipe features a crispy fish filet patty made with wild-caught Alaskan Pollock on melty American cheese and is topped with creamy McDonald's tartar sauce, all served on a soft, steamed bun.
In 2013, McDonald's switched from cod to Alaskan pollock. Fortunately, Alaskan pollock tastes similar to cod—both are whitefish with a mild flavor, perfect with a slice of cheese and tartar sauce. The Hula Burger, it was shortly on the McDonald's menu.
The "best" frozen fish in Australia depends on your needs (quality sashimi, quick meals, budget), but top picks often include high-quality Southern Bluefin Tuna/Yellowtail Kingfish for fine dining (Ferguson Australia), Findus/Birds Eye/Sealord for cleaner crumbed options (Woolworths/Coles), ALDI's NZ Hoki/Pollock for budget, and Costco's individually wrapped Salmon for convenience. For Australian options, look for Barramundi, Snapper, Flathead, and Coral Trout, checking labels for origin and additives.
Hoki / Blue Grenadier. Find out more about hoki, also known as blue grenadier, from southern Australia and New Zealand waters.
There's no single "best" fish, but top contenders for taste in Australia include Coral Trout, Barramundi, Snapper, King George Whiting, and Blue-Eye Trevalla, praised for their sweet, firm, white flesh, while Dhufish, Golden Snapper (Fingermark Bream), and Mangrove Jack are also highly rated for their delectable flavour and versatility, with many suggesting simpler preparations highlight their natural taste.
“The fish destined for your McD's sandwich are wild- caught as opposed to being farm-raised, and the strict regulations that govern the industry have made this not only one of the most sustainable fish but a fish population that isn't susceptible to overfishing and one that leads to almost no bycatch.
Product description. The fish used for the Filet-O-Fish patty in various markets is as follows: United States – As of May 2020, contains a battered, fried fish fillet made from Alaska pollock.
Six of those chemicals – dimethyl phthalate, diethyl phthalate, diisobutyl phthalate, dibutyl phthalate, benzylbutyl phthalate and didecyl phthalate – were detected in the Filet-O-Fish box tested by Symbio Laboratories. All six chemicals have been linked to an increased risk of impaired male reproductive development.
Aldi's fish is cheap due to its efficient, no-frills business model: they buy in massive bulk, use private-label brands (like Fremont Fish Market) to cut out middlemen, source directly from farms/fisheries, and minimize overhead by skipping service counters and using special packaging, passing significant savings to shoppers.
The Aldi £13 rule refers to the UK supermarket's decision, effective September 2025, to pay its store assistants a minimum of £13 per hour (rising to £13.02 nationally and £14.33 within the M25), making it the first UK supermarket to reach this rate, with further increases for length of service, plus providing paid breaks.
Basa is imported from south-east Asia, where it is predominantly farmed along Vietnam's Mekong River in ponds, tanks and cages close to or in the Mekong. Farms discharge wastewater to the river, which likely cause localised pollution.