Step 1
Line 13x9-inch baking pan with foil; set aside. Place
Velveeta, butter, chocolate and corn syrup in large microwaveable bowl. Microwave on HIGH 4 min. or until
Velveeta is completely melted and mixture is well blended, stirring every 2 min. Add sugar, in batches, beating with electric mixer on medium speed after each addition until well blended.