1Heat oven to 350°F. In 12-inch skillet, cook beef, onion and bell pepper over medium-high heat 5 to 7 minutes, stirring occasionally, until beef is thoroughly cooked; drain.
2Stir in pizza sauce, pepperoni and olives; heat until hot. Spoon into ungreased 13x9-inch (3-quart) glass baking dish.
3In medium bowl, stir Bisquick mix, milk and eggs until blended. Pour evenly over pepperoni mixture.
4Bake uncovered about 25 minutes or until crust is light brown. Sprinkle with cheese. Bake uncovered about 5 minutes longer or until cheese is melted.