Follow these simple, step-by-step instructions to achieve perfectly cooked, crispy, and flavorful tilapia every single time. The process is straightforward and designed for a quick and effortless cooking experience.

Step 1: Preheat and Prepare
First things first, preheat your oven to 400°F (200°C). This ensures the oven is hot enough to cook the fish quickly and help the topping become crispy. Line a large baking sheet with parchment paper or aluminum foil. This is a crucial step for easy cleanup and prevents the delicate fish from sticking to the pan.

Step 2: Prepare the Tilapia Fillets
Gently pat the tilapia fillets dry on all sides with a paper towel. Removing excess moisture is key to preventing the fish from steaming in the oven; it helps the topping adhere better and allows the fish to bake to a perfect flaky texture. Arrange the dried fillets in a single layer on the prepared baking sheet, ensuring there is a little space between each one for even air circulation. Season both sides of the fillets generously with salt and black pepper.

Step 3: Mix the Garlic Parmesan Topping
In a small to medium-sized bowl, combine the grated Parmesan cheese, panko breadcrumbs, minced garlic, chopped fresh parsley, and paprika. Stir them together until they are evenly distributed. Now, pour the melted butter over the dry ingredients. Use a fork or a small spatula to toss everything together until the breadcrumbs are evenly coated and the mixture resembles wet sand. This buttery mixture is what will transform into your golden, crispy crust.

Step 4: Top the Tilapia
Spoon the garlic Parmesan mixture evenly over the top of each tilapia fillet. Use your fingers or the back of the spoon to gently press the topping onto the fish. This helps it adhere during baking. Be generous with the topping; you want a nice, thick layer on each fillet to create that satisfying crunch.

Step 5: Bake to Perfection
Place the baking sheet in the preheated oven on the middle rack. Bake for 10-12 minutes. The exact time will depend on the thickness of your fillets. The fish is done when it is opaque all the way through and flakes easily when tested with a fork at its thickest point. The topping should be a beautiful golden brown and crispy.

Step 6: Broil for Extra Crispiness (Optional but Recommended)
If you want an even crispier, more deeply golden crust, switch the oven setting to a high broil for the last 1-2 minutes of cooking. Watch it very carefully during this step, as the topping can go from golden to burnt in a matter of seconds. Stay by the oven and remove the pan as soon as it reaches your desired color.

Step 7: Rest and Serve
Remove the baking sheet from the oven. Let the fish rest for a minute or two before serving. This allows the juices to redistribute, ensuring a moist and tender fillet. Serve immediately with fresh lemon wedges on the side for squeezing over the top.