Heat oven to 350 degrees. Spray bottom of 8 inch pan with cooking spray.
In large bowl, combine cookie mix, butter, flour, almond extract, and egg.
Press half of dough into bottom of pan. Cook for 15 minutes
While the base is cooking, add oats, brown sugar, and walnuts to remaining dough.
Remove base from oven and spread with pie filling. Crumble remaining dough over the pie filling.
Cook for an additional 20-25 minutes or until crumbs are light golden brown. Let cool and cut into bars.