Preheat the oven to 180C/350F degrees
Place the coconut flour, baking powder, psyllium husk powder and salt in a bowl and mix thoroughly.
Add the butter and eggs and blend well until the mixture looks like breadcrumbs.
Add the apple cider vinegar and mix well.
Gently add the water, a bit at time and stir into the mixture (you may not need it all).
Add the Cheddar, Parmesan and chives and gently mix through.
Line a baking tray with parchment paper.
Using your hands, make a ball of the dough (I find keeping my hands wet helps with the sticky dough).
Place the balls on the parchment paper lined baking tray.
Make for 30 minutes until golden and firm.
Eat and enjoy!