1Heat oven to 400°F. Spray 13x9-inch (3-quart) baking dish with cooking spray.
2In 10-inch skillet, cook sausage, bell pepper and onion over medium heat, stirring occasionally, until sausage is no longer pink; drain. Stir together sausage mixture, frozen potatoes and 1/2 cup of the cheese in baking dish.
3In medium bowl, stir Bisquick mix, milk, salt, pepper and eggs until blended. Pour into baking dish.
4Bake uncovered 35 to 40 minutes or until knife inserted in center comes out clean. Sprinkle with remaining 1/2 cup cheese. Bake 1 to 2 minutes longer or just until cheese is melted. Cool 5 minutes before serving.