Heat oven to 350°F. Liberally coat a 13 x 9 x 2-inch baking pan with nonstick cooking spray; set aside.
In a medium-size bowl, whisk together flour, baking powder, cinnamon and salt; set aside.
In a large bowl, with an electric mixer on medium speed, blend together sugar, eggs, butter and vanilla for 3 minutes or until smooth.
Reduce speed to low and gradually add flour mixture; mix for
2 minutes or until just incorporated. Stir in diced apples and raisins and spread into prepared pan.
Bake at 350°F for 35 minutes or until toothpick inserted in center comes out clean. Cool completely before cutting into bars and serving.