Preheat oven to 375℉ / 190℃
Line a couple of baking sheets with parchment paper.
In a bowl combine the flour, salt, baking powder, salt, sugar, cocoa powder, and mayonnaise. Stir to combine. If needed, add water 1 tablespoon at a time until you can make a smooth dough. May need to add 4 tablespoons.
Add the chips of your choosing.
Using a 1-tablespoon / 1-ounce scoop, scoop balls onto the prepared baking sheets leaving some space as these will spread during cooking.
Bake at 375℉ / 190℃ for 9-10 minutes, turning half-way through. Let cool for a few minutes on the baking sheet before removing to a cooling rack to cool completely.