Crab Stuffed Sole - Waterfront Seafood

Ingredients

• 4 fillet of sole – approx ¾ pounds
• ½ pound lump crab meat
• 1 Tbsp butter
• 1 celery stalk, diced
• 3 Tbsp diced onion
• 1/3 cup toasted bread crumbs
• 1/3 cup mayonnaise
• 1 egg white
• 1 Tbsp chopped parsley
• 3 Tbsp butter
• 3 Tbsp flour
• ¾ cup milk
• 1/3 cup white wine
• 1/3 cup chicken stock
• 1/2 cup parmesan cheese, divided