Mix butter, brown sugar and white sugar in a large bowl. add eggs one at a time, mixing well with each egg. Stir in vanilla.
2
in a separate bowl sift the flour and baking soda together.
3
Add the dry ingredients to the wet and stir until just mixed. Add chocolate chips and oatmeal and mix well.
4
Drop by heaping tablespoonful onto ungreased cookie sheet. Bake at 335F for 12 minutes. Allow cookies to cool on the baking sheet for 5 minutes before removing to a wire rack to cool completely.