1Heat oven to 350°F. Spray 9-inch glass pie plate with cooking spray. In medium bowl, stir all ingredients except whipped topping with wire whisk or fork until blended. Pour into pie plate.
2Bake 50 to 55 minutes or knife inserted in center comes out clean. Cool 1 hour. Refrigerate 4 hours or until well chilled. Garnish with whipped topping. Store in refrigerator.