Mix cream cheese, sour cream, oregano and garlic powder with beater. Spread in 9 or 10-inch pie plate. Cover with pizza sauce.
Top with pepperoni, green onion and green pepper.
Cook in 350° F oven for 10 minutes (or until bubbly). Add mozzarella cheese.
Return to oven until melted. Serve with Tostitos.
Servings: