Grease a cookie sheet; set aside. Preheat oven to 375F.

In a medium saucepan combine butter, granulated sugar, and brown sugar. Cook and stir over medium heat until melted. Remove from heat. Add oats, flour, baking powder, baking soda, and salt. Stir until combined. Add eggs; mix well. Stir in white chocolate chips and cranberries.

Drop batter by rounded teaspoons 3 inches apart on the prepared cookie sheet, stirring the batter often.

Bake for 6 to 7 minutes or until edges are firm. Cool on cookie sheet for 1 minute, then transfer to a wire rack to cool completely.