If you do not have sugar in the raw you can use an additional ¼ cup of brown sugar instead.
If you do not have Cream of Tarter sub it with ¾ tsp of Baking Powder.
You can ball the dough and freeze it. Simply roll and freeze the dough. When you are ready to bake, remove from freezer, put on a parchment paper lined baking sheet, sprinkle with flaky sea salt and bake for 10 minutes.
Find it online: https://mylifeafterdairy.com/lactation-cookies/