Parmesan Crusted Cod with Lemon Garlic Butter Tips, FAQ & printable recipe

Tips for success

For the crispiest crust, make sure the fish is very dry before coating. Pat it with paper towels and season just before dredging. Use a heavy skillet and let it heat thoroughly before adding the butter.

When you place the fish in the pan, it should sizzle immediately — if it doesn't, the pan isn't hot enough. Cook in a single layer and don't crowd the pan.

When flipping the fish, use a thin fish spatula to gently lift and turn. The crust is delicate, so be careful not to break it. If the butter starts to brown too quickly, lower the heat slightly.

The lemon wheels are mostly for flavor and garnish; you can remove them before serving if you prefer. The dish is best enjoyed immediately, while the crust is crisp and the butter is foamy.

Variations

• Herb Crusted Cod: Add 1 tablespoon of minced fresh thyme or dill to the grated Parmesan before coating the fish. The herbs add an extra layer of flavor that complements the lemon and garlic beautifully.
• Spicy Lemon Butter: Add a pinch of red pepper flakes or a finely minced fresh chili to the butter along with the garlic. This gives the dish a gentle heat that balances the richness.
• Tomato Spinach: Add a handful of cherry tomatoes to the skillet with the spinach. They will burst and release their juices, creating a saucy base that pairs well with the fish.
• Caper Lemon Butter: Stir in 2 tablespoons of drained capers with the garlic. The briny capers add a salty, tangy punch that echoes the lemon and enhances the fish's flavor.

Storage and make-ahead

Fridge

Store leftovers in an airtight container in the refrigerator for up to 2 days.

Freezer

Freezing is not recommended, as the crust will become soggy and the fish may become dry upon thawing. For best quality, enjoy fresh.

Reheat

Reheat in a skillet over medium heat with a little butter or olive oil, turning once, until warmed through.

Leftover Parmesan crusted cod can be stored in an airtight container in the refrigerator for up to 2 days. The crust will soften upon reheating, but the flavor remains delicious.

To reheat, place the fish in a skillet over medium heat with a little butter or olive oil, and warm gently until heated through. Avoid the microwave, which can make the fish rubbery and the crust soggy. The spinach and butter sauce can be reheated alongside.

This dish is best cooked fresh, but you can prepare the components ahead. Grate the Parmesan, mince the garlic and parsley, and slice the lemons up to a day in advance, storing them separately in the refrigerator.

Coat the cod just before cooking to prevent the crust from becoming soggy. The entire dish cooks in under 15 minutes, so it’s easy to assemble at the last minute.

Serving ideas

Serve the Parmesan crusted cod immediately, spooning the foaming lemon garlic butter and extra Parmesan over each fillet. The wilted spinach makes a perfect side, but you can also add crusty bread to soak up the buttery sauce, or a simple green salad for freshness. This dish pairs beautifully with roasted potatoes, rice, or creamy polenta.

For a more substantial meal, serve the cod over pasta or with a side of sautéed asparagus. The lemon garlic butter sauce is versatile and can be spooned over vegetables or grains. Garnish with additional fresh parsley or lemon zest for a bright finish. This recipe is elegant enough for a dinner party yet simple enough for a weeknight.

Frequently asked questions

Recipe card

Parmesan Crusted Cod with Lemon Garlic Butter

Prep 10 minCook 15 minTotal 25 minServes 4

Ingredients

• 2 yellow lemons, sliced into wheels
• 4 cloves garlic, minced
• 1/4 cup fresh parsley, minced
• 1 cup grated Parmigiano-Reggiano cheese, plus more for serving
• 4 thick white cod loins (about 6 oz each)
• 4 tbsp unsalted butter
• 5 oz baby spinach
• kosher salt, to taste
• black pepper, to taste

Instructions

1. Slice the yellow lemons into thin wheels. Mince the garlic cloves and the fresh parsley. Grate the Parmigiano-Reggiano cheese on a box grater into a fresh pile. Pat the cod loins dry with paper towels and season both sides with kosher salt and black pepper.
2. Spread the grated Parmesan on a shallow plate. Press each seasoned cod loin into the cheese, turning to coat all sides. Gently pat the cheese so it adheres, then set the coated fillets on a clean plate.
3. Heat a large cast iron skillet over medium-high heat. Add the butter and let it melt until it foams. Add the lemon wheels and minced garlic, then place the Parmesan-crusted cod loins in the pan, presentation side down. Cook without moving for 3-4 minutes until the crust is golden and crisp. Carefully flip and cook another 3-4 minutes until the fish is opaque and flakes easily with a fork.
4. Add the baby spinach around the fish in the same skillet. Toss it gently in the lemon garlic butter until it wilts, about 1-2 minutes. Spoon the foaming lemon garlic butter and extra grated Parmesan over the flaky cod. Serve immediately, lifting a glistening, butter-basted piece onto each plate.

Contains: fish, milk

Estimated nutrition per serving

Calories

420

Protein

35 g

Carbohydrates

4 g

Fat

30 g

Automatic estimate from the ingredient list, not laboratory-verified.