1Heat oven to 400°F. Grease bottom and side of 9-inch pie plate with shortening. In 10-inch skillet, cook beef, bell pepper and onion over medium heat, stirring occasionally, until beef is brown; drain. Stir in 1/3 cup barbecue sauce. Spread in pie plate. Sprinkle with 3/4 cup of the cheese.
2In medium bowl, stir Bisquick mix, milk and eggs until blended. Pour over beef mixture.
3Bake uncovered 25 minutes. Sprinkle with remaining 3/4 cup cheese. Bake about 5 minutes longer or until knife inserted in center comes out clean. Serve with additional barbecue sauce.