Apple Streusel Cheesecake Bars



1 pouch (1 lb. 1.5 oz) betty crocker oatmeal cookie mix
1/2 c. cold butter or margarine
2 (8 oz) pkg. cream cheese, softened
1/2 c. sugar
2 Tbsp. flour
1 tsp. vanilla
1 egg
1 (21 oz) can apple pie filling
1/2 tsp. ground cinnamon
1/4 c. chopped walnuts, optional

Heat oven to 350*. Spray bottom and sides of a 9x13 inch pan with cooking spray. In large bowl, place cookie mix. With pastry blender or fork, cut in butter until mixture is crumbly and coarse. Reserve 1 1/2 c. crumb mixture; press remaining crumbs in bottom of pan. Bake 10 minutes. Meanwhile, in large bowl, beat cream cheese, sugar, flour, vanilla and egg with electric mixer on medium speed until smooth. Spread cream cheese mixture evenly over partially baked crust. In medium bowl, mix pie filling and cinnamon. Spoon evenly over cream cheese mixture. Sprinkle reserved crumbs over top. Sprinkle with walnuts. Bake 35-40 minutes or longer until light golden brown. Cool about 30 minutes. Refrigerate to chill, about 2 hours. Store covered in refrigerator.