Preheat oven to 350 degrees.

In a large mixing bowl or stand mixer, cream together butter, brown sugar, granulated sugar and vanilla extract until light and fluffy.  Add eggs; beat until well blended

Combine all-purpose flour, ground cinnamon, baking soda, and salt in a small mixing bowl.  Gradually add to butter mixture until well blended. 

Stir in old-fashioned oats, butterscotch chips, and option walnuts.

Drop by spoonfuls (or Tablespoon cookie form scoop) onto greased or parchment-lined cookie sheet.  Bake at 350 degrees for 10-12 minutes.

Allow to cool on baking sheet for approximately 7 minutes before transferring to wire cooling rack.  Store in airtight container.