Heat oven to 425 degrees. Place potatoes in shallow 1.5to 2 litre microwave-safe dish. Cover with plastic wrap, venting one corner. Microwave on HIGH 8 to 10 minutes until just tender; set aside. Coat 30 cm round pizza pan with vegetable cooking spray; press dough evenly into pan; prick all over with fork. Bake for 10 minutes; set aside. Meanwhile, in large nonstick skillet over medium heat saute beef until browned; drain fat. Mix in 0.75 cup barbecue sauce. To assemble pizza, spread beef mixture over crust; top evenly with potatoes and bell pepper. Drizzle with remaining quarter cup barbecue sauce. Sprinkle with cheese. Bake 10 to 15 minutes until hot throughout and cheese is melted. Cut into 8 wedges. NOTE: Microwave cooking times are based on a 700-watt microwave. Adjust cooking times to your own oven. Menu: Tossed Green Salad, Strawberries Nutritional Information Per Serving: 650 calories; 23 g fat; 85 mg cholesterol; 1100 mg sodium; 69 g carbohydrate; 4 g fiber; 38 g protein.