Make your oat flour and flaxseed egg according to the instructions.
Mix together the dry ingredients (oat flour, baking powder, salt).
In a large bowl, mix together wet ingredients (tahini, maple syrup, almond milk, vanilla extract).
Add the Flaxseed Egg into the liquid mixture, then slowly mix in dry ingredients mixture.
Once the dough is close to being formed, slowly add in the chocolate chips and macadamia nuts.
Once the cookie dough is formed, chill in the refrigerator for 25-30 minutes. Preheat the oven to 350°F and prepare the baking pan with a silicon baking mat or parchment paper.
Evenly make 12 cookie balls about 1-2 Tbsp per cookie and place on your baking pan. Bake for 10-12 minutes or until the edges are golden.
Allow cookies to cool for 5 minutes on the baking pan, then remove cookies and transfer to a cooling rack.