Cream butter with dark brown and white sugar in stand mixer on medium for 5 minutes
Add eggs and vanilla to creamed butter mixer. Mix on medium for 2-3 minutes. Scrape down sides of mixer bowl as needed.
Place oatmeal in food processor and grind to a fine powder, about 30 seconds.
Add flour, salt, baking powder, baking soda to ground oatmeal. Pulse food processor until all dry ingredients are blended
Turn stand mixer on low and slowly add the blended flour/oatmeal dry ingredients until well blended. Scrape down sides of mixer bowl as needed.
With mixer on low, slowly add chocolate chips and chopped pecans until incorporated
Place bowl of dough in refrigerator to chill for 30 minutes
Use small scoop to form balls of dough and place on parchment lined baking sheets
Bake at 375 for 7 minutes
Remove cookies from oven. Let sit on baking sheet for 2 minutes. Transfer to wire rack to cool.
Makes 3-4 dozen