Heat oven to 375°F. Spray 2-quart casserole with cooking spray. Cut each chicken thigh into 4 pieces. In casserole, mix chicken and remaining ingredients except shoestring potatoes.
Cover and bake 1 hour, stirring once. Uncover casserole; stir well. Bake uncovered 25 to 30 minutes longer, topping with shoestring potatoes for last 10 minutes, until chicken is no longer pink in center.