Created by Mikekey on August 31, 2015
Step 1: In a skillet, brown ground beef; drain. Stir in pizza sauce and oregano.
Step 2: In a food processor, chop onion, pepper, pepperoni; add to beef mixture. Simmer 20-25 minutes.
Step 3: Spoon onto buns, top with cheese and mushrooms. Serve immediately.