01 -
Set the oven to 350°F and line two baking sheets with parchment paper or grease lightly.
02 -
In a large bowl, beat the softened butter with brown sugar and granulated sugar until light and fluffy, about 3-4 minutes.
03 -
Add eggs one at a time, mixing thoroughly after each addition, then stir in vanilla extract.
04 -
Whisk together flour, baking soda, cinnamon, and salt in a separate bowl, then gradually add to the wet mixture and mix until just combined.
05 -
Fold in rolled oats and raisins evenly into the dough.
06 -
Drop spoonfuls of dough onto prepared sheets, spacing about 2 inches apart; gently flatten each cookie with the back of the spoon.
07 -
Bake for 10-12 minutes until edges turn golden; centers may appear soft but will firm up upon cooling.
08 -
Let cookies cool on baking sheets for 5 minutes before transferring to wire racks to cool completely.