Heat oven to 350°F. Spray 9-inch glass pie plate with cooking spray.
In large bowl, beat all cheesecake ingredients except chocolate chips with electric mixer on high speed 2 minutes, scraping bowl frequently. Stir in chocolate chips. Pour into pie plate.
Bake about 35 minutes or until center is firm and puffed. Cool 45 minutes (cheesecake top will be cracked).
In 1-quart saucepan, heat topping ingredients over medium heat, stirring constantly, until smooth; remove from heat. Carefully spread over cheesecake. Refrigerate at least 3 hours until chilled. Store covered in refrigerator.
by The Savvy Kitchen