Heat oven to 350. Spray a 9" x 13" baking pan w/ cooking spray. In lg bowl, beat butter and brown sugar until smooth. Beat in flours, oats and orange peel. It will be crumbly.
Stir in chocolate chips and cranberries. Reserve 2 cups of mix. Press remaining mix into bottom of pan. Bake for 15 mins. In another bowl, beat cream cheese on medium until smooth. Beat in condensed milk. Pour mix over baked crust.
Sprinkle mix w/ reserved oat mix. Bake 30 mins, or until center is set. Cool. Cut into bars.