Cook onion, pepperoni, garlic powder and oregano in medium saucepan over medium-high heat, stirring frequently, until onion is tender, about 3 minutes. Stir in Lipton® Soup Secrets® Noodle Soup Mix with Real Chicken Broth, water and tomato paste. Bring to a boil over high heat. Reduce heat and simmer uncovered, stirring occasionally, 5 minutes. To serve, sprinkle with cheese.