Provel is closely associated with St. Louis, but if you cannot find it, use provolone or a 1:1:1 mix of provolone, Swiss, and mozzarella.
Calories: 625kcal | Carbohydrates: 3g | Protein: 37g | Fat: 51g | Saturated Fat: 25g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 19g | Trans Fat: 1g | Cholesterol: 166mg | Sodium: 2023mg | Potassium: 537mg | Fiber: 1g | Sugar: 0.1g | Vitamin A: 743IU | Vitamin C: 1mg | Calcium: 64mg | Iron: 2mg