Combine ground flax with water to create the flax eggs. Stir and set aside.
Preheat oven to 350°F/177°C. Line two cookies sheets with parchment paper or silpat.
Pour the red velvet cake mix into a mixing bowl. Add the vegetable oil and flax eggs. Stir to combine.
Stir in chocolate chips.
Use a cookie dough scoop to create 30 cookie dough balls. Roll the cookie dough balls in the powdered sugar and place on an ungreased cookie sheet, about 1½ inches apart. Bake for 9-10 minutes.
Remove from the oven and allow to sit on the pan for a minute or two before transferring to a rack to cool.