Created by sweety_Lisa on January 31, 2013
Step 1: Preheat oven to 350 degrees F. Bring a large pot of lightly salted water to a boil. Add pasta and cook for 8 to 10 minutes or until al dente; drain.
Step 2: In a medium skillet over medium-high heat, cook beef with onion until beef is brown. Drain. Combine beef mixture with sauce, pepperoni and cooked pasta and pour into a 9x13 inch baking dish. Top with mozzarella.
Step 3: Bake in preheated oven for 30 minutes, until cheese is melted and golden.