Melt the butter. Mix together the flour, oats, brown sugar, and baking powder. Beat the egg and with the milk them stir into the dry ingredients alone with the melted butter. Stir until blended.
Spoon hand-sized balls of dough on greased cookie sheet and sprinkle tops with raw sugar. Bake 10-15 minutes, or until lightly browned. Serve warm. They’re best eaten the day they’re made, but will keep covered for 1 day.