Cheese: American, Swiss, mozzarella, cheddar, feta, blue cheese. Protein: bacon, ham, sausage link, sausage patty, turkey sausage, chicken breast, sliced turkey, 4oz corned beef. Veggies: mushroom, green pepper, fresh spinach, onion, tomato, pico de gallo or homemade Spanish sauce. Avocado or 1/2 avocado.