Place 1/2 meatball in bottom of each cone. In large bowl, mix 3/4 cup of the pizza sauce, the pepperoni, bell pepper and remaining meatball halves. Microwave uncovered on High 2 to 4 minutes or until hot. Spoon about 1/4 cup of the mixture into each baked cone. Top each cone with about 1 tablespoon cheese. Serve hot with remaining pizza sauce.