This luxurious seafood casserole layers tender shrimp, scallops, flaky white fish, and sweet lump crab in a rich, velvety cream sauce, finished with a golden breadcrumb and Parmesan crust. The technique balances gentle poaching and classic roux-based sauce work for a comforting yet refined oven-baked dish. Ultimate Creamy Seafood Casserole 🛒Ingredients : 1 lb shrimp, peeled and deveined 1 lb scallops 1 lb white fish (cod or haddock), cut into chunks 1 cup lump crab meat 3 tablespoons butter 1 c