Preheat oven to 425°. In a large skillet, cook beef, pepper and onion over medium heat 8-10 minutes or until beef is no longer pink, breaking beef into crumbles; drain. Stir in pizza sauce and Canadian bacon; remove from heat., Prepare dough for pizza crust according to package directions. Press dough to fit bottom and 1 in. up sides of a greased 13x9-in. baking pan., Spoon meat sauce onto crust. Sprinkle with cheese; top with pepperoni. Bake, covered, 25 minutes. Uncover; bake 5-10 minutes longer or until crust and cheese are golden brown. Freeze option: Cool meat sauce before assembling pizza. Securely cover and freeze unbaked pizza. To use, bake frozen pizza, covered with foil, in a preheated 425° oven 25 minutes. Uncover; bake 15-20 minutes longer or until golden brown and heated through.