Ingredients Duck a l'Orange 1 whole duck (about 5 pounds; 2.25kg)1 medium carrot diced1 medium yellow onion diced1 large celery rib diced(2 liters) brown beef1tbsp tomato paste1/2 cup red wine vinegarZest of 1 medium navel orange2 tbsp orange juice2tbsp fresh lemon juice2tbsp cold1 teaspoon cornstarchunsalted butter1tbsp Vegetable oil1tsp Kosher salt4 ounces granulated sugarFreshly ground white or black pepper