Cream butter, granulated sugar and brown sugar until very light and fluffy.
Add one egg and beat on low just until mixed. Add second egg and beat on low just until mixed. Increase speed and beat for one minute. Beat in the vanilla.
Sift or whisk together flour, soda, salt, then add to batter and stir until blended.
Add oats and chocolate chips and stir until blended.
Drop by tablespoons (or use a small cookie scoop) onto ungreased cookie sheet and bake 10-12 minutes at 350 degrees.
Let cool for a few minutes on the baking sheets, then transfer to a wire rack and let cool completely.