Heat oven to 375°F. Spray 12x8-inch (2-quart) glass baking dish with nonstick cooking spray. In large bowl, combine all casserole ingredients; mix well. Spoon evenly into sprayed baking dish. Spray sheet of foil with cooking spray; place, sprayed side down, over baking dish.
Bake at 375°F. for 35 minutes. Meanwhile, in small bowl, combine topping ingredients; mix well.
Uncover baking dish; sprinkle with topping. Bake an additional 25 to 35 minutes or until mixture is bubbly and top is golden brown.