Preheat oven to 325.  Lightly grease 9x13 pan AND 9x9 pan.  In a large mixing bowl combine the oats, flour, baking soda, vanilla, margarine, honey, and brown sugar.  Stir in cranberries.  Lightly press mixture into prepared pans.  Bake for 15 minutes or until golden brown.  Cool and cut into bars.  Can be frozen for later snack.