Preheat oven to 325 degrees F and line baking sheets with parchment paper.
Mix together flour, baking soda, and salt and set aside.
Whip butter for one minute on high, then add both sugars. mix for another 5 minutes on med-high until it becomes a pale yellow.
Add the eggs in, one at a time one they are mixed in completely, then add in the vanilla. Scrape down the sides and the bottom of the bowl. Beat until this is well combined, 2-3 more minutes.
Slowly add the flour mixture.
Once that is combined add the oatmeal, cranberries and white chocolate chips.
Scoop the batter and bake for about 10 minutes.
