2 cups 2% reduced-fat milk  | 
                                                1 pound cod fillets, cut into 2-inch pieces  | 
                                                1/2 cup panko (japanese breadcrumbs), divided  | 
                                                2 tablespoons minced fresh flat-leaf parsley  | 
                                                1 tablespoon grated onion  | 
                                                1 1/4 teaspoons grated lemon rind  | 
                                                1/2 teaspoon salt  | 
                                                1/2 teaspoon freshly ground black pepper  | 
                                                1 large egg, lightly beaten  | 
                                                1 large egg white, lightly beaten  | 
                                                1 garlic clove, minced  | 
                                                2 tablespoons fresh lemon juice, divided  | 
                                                2 tablespoons olive oil, divided  | 
                                                1/4 cup canola mayonnaise  | 
                                                1 tablespoon chopped fresh flat-leaf parsley  | 
                                                1 teaspoon chopped fresh dill  | 
                                                1 teaspoon dijon mustard  | 
                                                1 teaspoon fresh lemon juice  | 
                                                1/2 teaspoon minced fresh garlic  | 
                                                1/4 teaspoon freshly ground black pepper  |