1 pound snapper turtle, cleaned, rinsed and medium diced
1/4 cup all-purpose flour
1/4 cup butter
1/4 cup red wine
1/3 cup chopped celery
1/3 cup chopped onion
1/3 cup chopped carrot
2 tablespoons minced garlic
1 quart beef stock
1/2 cup water, plus 2 tablespoons, divided
1 teaspoon Worcestershire
3 tablespoons cornstarch
1 teaspoon paprika
1/2 teaspoon allspice
1 teaspoon freshly minced parsley leaves
2 teaspoons ground nutmeg
1 teaspoon ground ginger
1/3 cup tomato paste
1/2 teaspoon kosher salt
1/4 teaspoon freshly ground white pepper
1/3 cup sherry, for garnish