Prepare a cookie sheet lined with parchment paper, then set aside.
Prepare the flax egg:
Add all ingredients for the flax egg to a small bowl, whisk until well combined, then set aside.
Prepare the cookies:
Add all ingredients for the cookies to a medium-size mixing bowl and stir until well combined.
Re-whisk the flax egg, add it to the mixing bowl and stir in until well combined.
Add the add-in:
Add the chocolate chip add-in and gently fold them into the cookie mixture.
Assembly:
Using a 1 ½-inch cookie scoop, or spoon, scoop out the cookie mixture and place it onto the prepared baking sheet. Use your fingertips to flatten the cookies and smooth out the sides.
Transfer the cookie sheet to the oven and bake at 350 degrees for approximately 15-17 minutes, or until the cookies are slightly golden around the edges.
IMPORTANT: Allow the cookies to completely cool before removing them from the cookie sheet. If you remove them before they cool, they will be crumbly.
Store in an air-tight BPA-free container.
Notes
Serving Size: This recipe will make approximately (16) 2-inch cookies. Nutritional information is for (1) cookie which is (1) serving.