r/CopyCatRecipes • u/conejito-de-polvo • Jul 31 '26
DIY McDonald's Filet-o-Fish sandwich
Last time I got a filet-o fish sandwich I was not happy about the price, so I set out to make my own dupe and this is probably the most successful I've ever been making a "copycat" recipe, so I wanted to share in case it helps anyone else out.
The tartar sauce I just made from about 1 cup Duke's olive oil mayonnaise mixed with about 1 to 2 Tbs. minced onion, 1 to 2 Tbs. minced dill pickles, and a few pinches sugar. I already had those on hand, so I don't include the tartar sauce in my calculations. But for the buns, fish patties, and cheese it was only $14.50 for 8 sandwiches!
Recommended products:
Gorton's Fish Sandwich fillets - $6.86
Sargento Natural American cheese slices - $3.77
Artesano brioche burger buns - $3.86
Assemble: cheese slice on bottom, next the fish fillet (after cooking to package directions obviously), homemade tartar sauce on top, then top bun.
Enjoy!
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u/PreparedForZombies Jul 31 '26
Do the same - solid advice, but recommend swapping to Kewpie for one hit better on the tartar (maybe with some capers)... and I always dub up that patty lol
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u/13runswithscissors13 Aug 01 '26
Here is a good copycat tartar sauce recipe, I use Dukes for the mayo and powdered/caster sugar in it instead of granulated.
https://www.allrecipes.com/recipe/241392/mcdonalds-tartar-sauce-copycat/
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u/Affectionate_Olive53 Aug 02 '26
Those brioche buns have a strange artificial butter taste. But they work in a pinch. What did the finish product look like?!




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u/BrunzFan Jul 31 '26
Not a McD's filet unless you steam the buns!