In a medium bowl, whisk together the flour, baking soda, cinnamon, and salt. Set aside.
In a large bowl, cream together the melted butter, brown sugar, and white sugar until smooth. Beat in the eggs one at a time, then stir in the vanilla. Gradually blend in the dry ingredients.
Mix in the oats, walnuts, and cranberries or raisins.
Drop dough onto cookie sheets by rounded spoonfuls. Bake for 12 to 15 minutes in the preheated oven, or until the edges are lightly browned.
Let cool on baking sheets for a few minutes before transferring to wire racks to cool completely.
Interesting Facts
Cowboy oatmeal cookies are a twist on the traditional oatmeal cookie.
They are an excellent source of fiber, protein, and vitamins.
The addition of dried fruits and nuts make them a healthy treat.
The cookies can be stored in an airtight container for up to a week.