1Heat oven to 400°F. In 10-inch skillet, cook sausage, bell pepper, onion and garlic over medium heat 8 to 10 minutes, stirring occasionally, until sausage is no longer pink; drain.
2In ungreased 3-quart casserole, mix sausage mixture and remaining ingredients. Bake uncovered about 45 minutes, stirring once, until hot and bubbly. Garnish with additional basil.