Step 1

Preheat oven to 350°F.

Step 2

First, make your oat flour if you don't have some on hand. Place 2 ½ cups old fashioned or quick-cooking oats into a food processor or high-powered blender. Blend until the oats until it turns into a fine, powdery flour (about 1 minute). Check to make sure you don't have any larger flecks of oats, and if so, blend again. Set aside.

Step 3

In a large mixing bowl or stand-mixer, mix together on medium high speed the softened butter, brown sugar, and sugar until light and fluffy, about 2-3 minutes. Add the egg and vanilla extract and combine well.

Step 4

On low speed mix in the oat flour, baking soda, and salt until well combined. Add the chocolate chips and stir to combine.

Step 5

Drop the cookie dough onto ungreased or parchment-lined baking sheets. Use a medium cookie scoop or drop 1 ½ - 2 tablespoons onto the sheets about 2 inches apart. Bake for 10-12 minutes, turning and rotating pans halfway through. Cool on the baking sheets for 5 minutes before transferring to cooling rack.