In a baking dish, place the Grouper, white wine, salt, white pepper, and nutmeg.
Bake at 350ºF degrees oven for 10 minutes or until fish has released it's excess liquid.
In a blender, puree the fish and celery together to form a fine paste.
Remove half of the paste and add the breadcrumbs, parsley, half and half and egg whites. Blend until it has a smooth consistency.
In a large bowl, combine the fish paste with the rest of the mixture. Form into 8 cakes.
Sauté the cakes in a hot, oiled skillet until golden brown on both sides and thoroughly cooked in the middle.
Serve with Citrus Slaw.
Makes 8 servings.