Spicy South Of The Border Spinach Cheese Dip Prep time: 35 mins Cook time: 20 mins Total time: 55 mins Serves: 10 Ingredients 1 pound dry ziti pasta 1 onion, chopped 1 pound lean ground beef 2 (26 ounce) jars spaghetti sauce 6 ounces provolone cheese, sliced 1 1/2 cups sour cream 6 ounces