Heat oven to 400 F. Grease rectangular baking dish, 13x9x2 inches.
Cook sausage, bell pepper and onion in 10-inch skillet over medium heat, stirring occasionally, until sausage is no longer pink; drain. Stir together sausage mixture, potatoes and 1-1/2 cups of the cheese in baking dish.
Stir Bisquick mix, milk, pepper and eggs until blended. Pour into baking dish.
Bake uncovered 40-45 minutes or until knife inserted in center comes out clean. Sprinkle with remaining cheese. Bake 1 to 2 minutes longer or just until cheese is melted. Cool 5 minutes.
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