Preheat the oven to 375 degrees. Line baking sheets with parchment paper.
Blend the rolled oats in a blender or food processor until blended to a fine powder. Set aside.
In a separate mixing bowl, cream butter and sugars together. Beat in eggs and vanilla.
In a separate bowl combine flour, baking soda, baking powder, salt, and blended oats.
Stir the dry ingredients into the wet ingredients and mix until dough forms. Stir in chocolate chips, nuts, and grated chocolate.
Drop by 2 Tbsp. sized balls onto the cookie sheets and bake for 9-11 minutes.
Let baked cookies stand on the baking sheets for 2-3 minutes before transferring them to a wire cooling rack.