Preheat the oven to 375 degrees. Process the oatmeal into a fine powder using a blender or food processor. Set aside. Cream the butter with both sugars. Beat in the eggs one at a time. Beat in the vanilla. Beat in the flour, salt, baking powder, baking soda and oatmeal. Stir in the chocolate chips, grated Hershey bar and nuts. Roll into balls. Place 5 cm apart on a cookie sheet. Bake for 10 minutes.