Blackstone Cod: Pan-Style Seared on the Flat Top

Cod is a forgiving fish for the flat-top griddle. It’s mild, thick, and holds together well on the steel — less prone to falling apart than tilapia or flounder. The Blackstone gives cod what an oven can’t: a golden, slightly crispy sear on the outside and moist, flaky flesh inside. Works equally well as a simple dinner alongside vegetables or as the protein in fish tacos.

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Ingredients

• 4 cod fillets (6 oz each, about ¾–1 inch thick)
• 2 tbsp butter + 1 tbsp avocado oil
• 1 tsp garlic powder
• 1 tsp lemon pepper seasoning
• ½ tsp smoked paprika
• ½ tsp salt
• 1 lemon, sliced
• Fresh parsley to finish

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Instructions

Step 1: Dry the fillets

Pat cod fillets completely dry with paper towels. Any moisture on the surface will steam instead of sear.

Step 2: Season

Brush lightly with oil. Season both sides with garlic powder, lemon pepper, smoked paprika, and salt.

Step 3: Preheat and oil the griddle

Preheat to medium-high (375°F). Add butter and avocado oil to the cooking zone — the butter adds flavor, the oil raises the smoke point. Let the butter melt and foam subside.

Step 4: Sear first side

Place cod fillets down on the hot, buttered surface. Cook without touching for 3–4 minutes until the bottom is golden brown and a crust has developed. The fish will release from the steel naturally when the crust has set — don’t force it.

Step 5: Flip once

Gently flip with a thin, wide spatula. Cook the second side 3–4 minutes until the fish is opaque all the way through and flakes easily when tested with a fork. The internal temperature should reach 145°F.

Step 6: Finish and serve

Squeeze lemon over the top. Garnish with fresh parsley. Serve immediately with the seared lemon slices.

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Tips

Pat it very dry. Cod retains water. Drying it well before seasoning is the single biggest factor in getting a good sear instead of steam-cooked fish.

Medium-high, not high. Cod is a thicker fish that needs enough time to cook through. High heat sears the outside before the center is done. 375°F gives you a golden crust with a fully cooked interior.

Butter + oil combo. Pure butter burns at searing temperatures. Mixing with avocado oil raises the smoke point while keeping the butter flavor. Alternatively, use clarified butter (ghee) alone.

Don’t move it. Like all fish, cod sticks until it’s ready to flip. Let it release naturally — usually at the 3-4 minute mark.

For fish tacos: season with cumin, chili powder, and garlic powder instead of lemon pepper. Flake into pieces and serve in corn tortillas with cabbage slaw, lime crema, and fresh salsa — the full Blackstone fish tacos recipe covers the whole build.

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Variations

Fish and chips, no fryer. Cod is the fish-and-chips fish, and the griddle version skips the batter and the oil vat: cook the cod as written and serve over crispy griddle french fries with tartar sauce and malt vinegar. The fries cook first at 400–425°F and hold on a warm zone while the fish sears.

Garlic butter cod. Replace the lemon pepper with ½ teaspoon of Old Bay and finish each fillet with a round of garlic butter as it rests. Richer, and it turns the same fillet into a different dinner.

Blackened for tacos. Cumin, chili powder, and garlic powder instead of lemon pepper, then flake into corn tortillas — the full fish tacos build covers the slaw and sauces.

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Buying Cod

Ask for thick loin cuts — the center portion of the fillet — rather than thin tail pieces, which cook unevenly and fall apart on the flip. Atlantic and Pacific cod both work identically on the griddle. Frozen cod is a fine choice and often the freshest option inland; thaw it overnight in the refrigerator, then press it dry between paper towels with a little weight on top for ten minutes. Cod holds more water than almost any other white fish, and the drier it starts, the better the sear.

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What to Serve With It

Beyond the fries: a sharp cabbage slaw cuts the butter, griddled asparagus shares the surface without stealing a burner, and seared lemon slices — cooked cut-side down next to the fish until caramelized — make a better garnish than raw ones.

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Storage and Reheating

Refrigerate leftover cod up to 3 days. It reheats better than most white fish because of its large, moist flakes: covered skillet or low griddle zone, splash of water, 2–3 minutes until just warmed. Better still, skip reheating entirely — leftover cod flaked cold into next-day tacos with fresh slaw is arguably better than the original dinner.

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More flat-top recipes: Blackstone Fish Recipes · Blackstone Dinner Ideas

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Frequently Asked Questions

What temperature do you cook cod on a Blackstone griddle?

375°F — medium-high heat. Cod is a thicker, denser fish that needs time to cook through to 145°F. High heat sears the exterior too quickly before the center is done. Medium-high heat produces a golden crust and fully cooked interior.

How long does cod take on a Blackstone griddle?

3–4 minutes per side for fillets ¾–1 inch thick, 8 minutes total. The fish is done when it reads 145°F internally and flakes easily when pressed with a fork. Don’t overcook — cod dries out quickly past 145°F.

How do you keep cod from sticking to the Blackstone?

Dry the fish completely, preheat the griddle to medium-high, and use a butter-oil combination. Don’t try to move the fish before 3 minutes — it will stick until the crust forms and releases naturally.