Preheat oven to 375 degrees Fahrenheit! Gather 2 large baking sheets.

In a large bowl combine the flour, oats, baking soda and salt.

In another large bowl cream the brown sugar, oil, and vanilla extract. Add the eggs, butter and beat until smooth. Mix with the dry ingredients and churn with a wooden spoon.

Use a cookie or ice cream scoop place dollops of cookie dough onto the baking sheet, you may need to reform the balls by hand.

Bake for 10-12 minutes and leave on racks to cool.