Filet O Fish Sliders

My friend Sarah stopped by unexpectedly one Friday evening, and I had a freezer full of fish fillets but zero inspiration. We ended up recreating those fast-food fish sandwiches we both loved as kids, but somehow these little sliders tasted infinitely better than we remembered. The scent of frying fish filled the whole apartment while we stood around the stove, catching up on life. That night became our new tradition whenever someone needs cheering up.

Last summer, I made these for a neighborhood potluck, and watched three kids who swore they hated fish clean the entire platter. Something about the small size makes them feel playful and approachable. The crunch of that cornmeal-panko coating is absolutely irresistible.

Ingredients

• White fish fillets: I prefer cod for its mild sweetness and flaky texture that holds up beautifully during frying
• Panko breadcrumbs: Japanese breadcrumbs create that signature light, crispy exterior that stays crunchy longer than regular crumbs
• Cornmeal: The secret ingredient for extra crunch and a slightly sweet, golden crust
• Mayonnaise: Use a good quality mayo here since it forms the base of your tartar sauce
• Capers: These little briny buds add bright, salty pops that cut through the fried richness
• Slider buns: Soft, slightly sweet Hawaiian rolls work wonderfully here

Instructions

Get your station ready:

Set up three shallow bowls with flour, beaten eggs, and the panko-cornmeal mixture like an assembly line

Season the fish:

Pat your fish pieces dry and sprinkle generously with salt and pepper on both sides

Coat each piece:

Dredge fish in flour, shake off excess, dip in egg, then press firmly into the crumb mixture until fully coated

Cook until golden:

Fry in hot oil for 2 to 3 minutes per side until deeply golden and fish flakes easily

Whisk the sauce:

Stir together mayo, pickles, capers, lemon juice, mustard, and parsley until well combined

Build your sliders:

Toast the buns lightly, then layer fish, cheese, lettuce, and a generous dollop of tartar sauce

Save

My brother-in-law took one bite during a family game night and immediately asked if these could become a weekly Friday tradition. Now making sliders has become this happy ritual that signals the weekend has officially begun.

Making Them Ahead

You can coat the fish pieces up to several hours ahead and keep them refrigerated on a parchment-lined tray. The tartar sauce actually tastes better after an hour or two in the fridge as the flavors meld together.

Baking Instead of Frying

Arrange coated fish on a wire rack over a baking sheet and spray lightly with oil. Bake at 400°F for about 12 minutes, flipping halfway through. The texture will be slightly less crispy but still delicious.

Serving Suggestions

These disappear fast, so I always make extra. Keep them warm in a low oven until everyone is ready to eat, and set out lemon wedges, extra tartar sauce, and maybe some crispy oven fries on the side.

• Use tongs when flipping fish to keep the coating intact
• Have all your assembly ingredients ready before the fish finishes cooking
• Serve immediately while the coating is at its crispest

Save

There is something so satisfying about turning a fast-food memory into something homemade and honest. Hope these sliders bring as much joy to your table as they have to mine.

Common Questions

→ What type of fish works best?

White fish fillets like cod or haddock are ideal—they're mild, flaky, and hold up beautifully to breading and frying.

→ Can I bake these instead of frying?

Absolutely. Bake at 200°C (400°F) for 10–12 minutes on a lined tray, turning once, until golden and cooked through.

→ How do I store leftover assembled sliders?

Store components separately—keep fish, sauce, and buns in airtight containers in the fridge for up to 2 days. Reheat fish in the oven to maintain crispiness.

→ What can I substitute for panko?

Regular breadcrumbs work, though panko gives that signature airy crunch. For extra texture, add crushed cornflakes or additional cornmeal.

→ Can I make the tartar sauce ahead?

Yes, prepare the sauce up to 3 days in advance and refrigerate. The flavors actually meld better after chilling overnight.