🐟 Cod au Gratin A refined coastal classic where tender cod fillets are layered with a velvety béchamel sauce and golden Cheddar crust, creamy, delicate, and elegantly gratinéed to perfection. This preparation highlights gentle poaching and classic sauce work, finished with controlled oven browning for a beautifully caramelized top. 🛒Ingredients : 2 pounds cod fillets 3 tablespoons unsalted butter 6 tablespoons all-purpose flour 2 cups whole milk Salt and freshly ground black pepper, to taste 1