1 (8) pound boneless pork loin (The photo is 1 loin cut into pieces)2 large oranges (1 sliced, 1 for juice and zest)1 large onion (sliced)Marinade:1 cup of white wine1/4 cup of olive oil2 tablespoons of melted butter or margarine1 tablespoon salt1 teaspoon black pepper4 cloves garlic (finely minced)1 tablespoon paprika1/4 teaspoon thyme 0r rosemary (optional)