01 - Preheat the oven to 350°F. Line two baking sheets with parchment paper.
02 - In a medium bowl, whisk together the flour, baking soda, cinnamon, and salt.
03 - In a large bowl, cream the softened butter, brown sugar, and granulated sugar until light and fluffy.
04 - Beat in the eggs one at a time, then stir in the vanilla extract.
05 - Gradually add the dry ingredients to the wet mixture, stirring until just combined.
06 - Fold in the rolled oats, dried cranberries, and chopped walnuts evenly.
07 - Drop rounded tablespoons of dough onto the prepared baking sheets, spacing each about 2 inches apart.
08 - Bake for 10 to 12 minutes or until edges are golden and centers appear set.
09 - Allow cookies to cool on baking sheets for 5 minutes before transferring to a wire rack to cool completely.