Make the flax egg. Then melt the butter and mix in the oil, coconut sugar, vanilla, and flax egg.
Mix the dry ingredients together in a separate bowl. Then, mix the dry into the wet ingredients ⅓ at a time until just combined.
Fold the chocolate chips into the dough with a rubber spatula, scraping around the bowl. Make sure they're evenly incorporated.
Chill the eggless cookie dough for 15 minutes. Then, scoop the dough and bake for 11-13 minutes at 350F.