Preheat oven to 350ºF. Line baking sheet with parchment paper; set aside.
In a large bowl, add oatmeal, flour, sugar, brown sugar, baking soda, salt, canola oil, eggs, and vanilla extract. Beat until dough is moist and ingredintes are combined (dough will be very crumbly). Mix in chocolate chips.
Using your hands, pack together tightly a tablespoon of dough. Place on a prepared baking sheet about 2 inches apart. Repeat with remaining dough. Bake 10 to 12 minutes or until set and golden. Serve immediately.
Notes
Once the dough is mixed, it really is very crumbly. I didn't think the cookies would turn out but they came together beautifully once baked. Just make sure to pack them pretty well and the oven will do the rest!