01 - Preheat the oven to 350°F and line two baking sheets with parchment paper.
02 - Whisk together the flour, baking soda, cinnamon, and salt in a medium bowl.
03 - In a large bowl, cream the butter with both sugars until light and fluffy. Beat in eggs one at a time, then mix in vanilla and peppermint extracts.
04 - Gradually add the dry ingredients to the wet mixture, stirring just until combined.
05 - Carefully fold in the rolled oats, raisins, and crushed peppermint candies until evenly distributed.
06 - Drop heaping tablespoons of dough onto prepared sheets, spacing them approximately 2 inches apart.
07 - Bake for 10 to 12 minutes until edges are golden and centers are just set.
08 - Allow cookies to cool on sheets for 5 minutes before transferring to a wire rack to cool completely.