Ultimate Fish Casserole Recipe: Creamy, Flaky & Irresistible! 🍲🐟


 

1. Prep the Fish

  • Preheat oven to 375°F (190°C).

  • Pat fish dry, then cut into 2-inch chunks.

  • Arrange in a greased 9x13 baking dish, drizzle with lemon juice, and season with Old Bay, salt & pepper.

2. Make the Creamy Sauce

  • Melt butter in a saucepan over medium heat.

  • Whisk in flour to create a roux (cook 1 minute).

  • Gradually whisk in milk and broth until smooth.

  • Stir in Dijon, Parmesan, and parsley. Cook until thickened (about 3-5 mins).

3. Assemble the Casserole

  • Pour sauce evenly over the fish.

  • In a bowl, mix Panko, Parmesan, melted butter, and garlic powder.

  • Sprinkle topping over the fish mixture.

4. Bake to Perfection

  • Bake uncovered for 25-30 minutes until bubbly and golden.

  • Broil 1-2 minutes for extra crispiness (watch closely!).

5. Serve & Enjoy!

  • Garnish with fresh parsley and lemon slices.

  • Pair with steamed veggies, rice, or crusty bread.


Pro Tips for the Best Fish Casserole

🐟 Fish Selection Tip: Firmer fish (cod, halibut) hold up better than delicate varieties.
🌢 Kick It Up: Add a pinch of cayenne or red pepper flakes for heat.
πŸ§€ Extra Cheesy: Mix in ½ cup shredded cheddar with the sauce.
πŸ₯¦ Veggie Boost: Layer spinach, mushrooms, or peas under the fish.
πŸ’‘ Make-Ahead Magic: Assemble 1 day ahead (store covered in fridge), then bake.


Serving Suggestions

🍽 Classic: With a crisp green salad and roasted potatoes
🍝 Luxury Twist: Over buttered noodles or fettuccine
πŸ₯– Comfort Food Style: With garlic bread for dipping
🌿 Light Option: Alongside quinoa and steamed asparagus


Storage & Reheating

❄️ Fridge: Keeps for 3 days (cover tightly).
πŸ”₯ Reheat: 350°F oven for 15 mins, or microwave single portions.
⏸ Freeze: Before baking (freezes well for 1 month – thaw before baking).

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