Leftover Thanksgiving Casserole

Ingredients

• Leftover dressing from Thanksgiving (or you could use packaged)
• 1/2 cup melted butter
• 1 cup water
• 4 to 5 cups cubed cooked turkey meat
• 1/2 cup celery, chopped
• 1/4 cup chopped onion
• 1/4 cup chive, chopped
• 3/4 teaspoon each salt and pepper
• 1/2 cup mayonnaise
• 2 medium eggs
• 1 1/2 cups whole milk
• 1 can cream of mushroom soup, undiluted
• Parmesan cheese (the fresh stuff, not out of a ca n)