Add the oats, coconut sugar and baking soda and mix well. Then add the nut butter, eggs and vanilla and mix well.
Fold in the chocolate chips.
Using a small 2-inch cookie scoop, place the dough onto a parchment-lined baking sheet and use your fingers to flatten the cookie. Repeat until the dough is done.
Sprinkle the cookies with flaky salt if desired.
Bake at 350°F for 10 minutes.
Allow the cookies to cool on a wire rack.
Store in an airtight container on the counter for 3-4 days. After that, store in the freezer.