Preheat oven to 350 degrees.
In a separate bowl combine oats, flour, baking powder, baking soda, and salt.
In a mixer cream butter and sugars together until smooth.
Add in eggs one at a time and then add vanilla.
Add dry ingredients into the wet ingredients. Mix until combined.
Fold in your chocolate chips.
Pour batter into a greased 9x13 pan and bake in oven 20-25 minutes. Do not over cook.
Let cool completely and serve.