In a large bowl, cream together butter, granulated sugar, and brown sugar until light and fluffy.
Beat in the egg and vanilla extract.
In another bowl, whisk together flour, baking soda, and salt.
Gradually mix dry ingredients into wet ingredients.
Fold in oats, cranberries, and white chocolate chips.
Cover and chill dough for 30 minutes.
Preheat oven to 350°F. Line baking sheets with parchment paper.
See full steps with tips & photos → https://theboatshedcafe.com/cranberry-white-chocolate-oatmeal-cookies/