Preheat your oven to 400°F (200°C). This ensures the Parmesan topping will crisp up beautifully while keeping the fish juicy and tender.

Lightly grease a baking dish with cooking spray or a small amount of butter. This will prevent the flounder from sticking and make cleanup easier.

In a bowl, stir together the melted butter and minced garlic until well blended. Then add half of the grated Parmesan cheese, the paprika, and a pinch of salt and pepper. Mix until combined — this will become your flavorful, rich topping.

Arrange the flounder fillets in the prepared baking dish. Spoon the garlic butter mixture evenly over the top of each fillet, ensuring the fish is well coated for maximum flavor.

Sprinkle the remaining Parmesan cheese generously over the coated fillets. The cheese will melt and form a deliciously crispy, savory crust while baking.

Transfer the baking dish to the oven and bake for 12–15 minutes, or until the flounder easily flakes apart with a fork and the top is golden brown.

Once baked, remove from the oven and sprinkle with chopped fresh parsley for a burst of color and freshness. Serve each portion with lemon wedges on the side — the bright acidity of lemon is the perfect contrast to the rich, cheesy topping.

Enjoy this dish hot, fresh from the oven, for the best flavor and texture!