Preheat oven to 375 degrees.
Cream together butter, white sugar and brown sugar.
Add eggs and vanilla extract.
Blend oatmeal in blender until like powder.
Mix together powdered oatmeal, flour, salt, baking powder and baking soda.
Mix all ingredients together.
Add to the mix chocolate chips and Hershey Bar (grated).
Make mix into golf ball size cookies, place 2" apart on ungreased cookie sheet.
Bake at 375 degrees for 6 minutes.
Note: for flatter cookies, flatten dough with spatula after baking 5 minutes, then continue to bake for 3-5 minutes.