Pre-heat the oven to 200C/400F degrees.
Mix the coconut flour, baking powder, salt and psyllium powder in a bowl and combine well.
Add 2 tablespoons butter, vanilla extract, 2 tablespoons erythritol and the egg. Mix thoroughly until the mixture looks like breadcrumbs.
Add the boiling water a bit at a time, stirring thoroughly until you have a dough. (You may not need all the water)
Cut the dough into eight pieces. Take one of the pieces and roll out into a 6 inch log.
Mix 2 tablespoons erythritol, 2 tablespoons butter and 2 teaspoons ground cinnamon in a bowl.
Dip the breadsticks into the butter mixture and coat well on both sides.
Place the breadsticks on a parchment paper lined baking tray.
Bake for 25 minutes, turning over after 12 minutes.
Remove from the oven and allow to cool.
Blend the cream cheese, ground erythritol together with the water, adding any more if needed for the topping. Drizzle this over the breadsticks.
Eat and enjoy!