In a medium mixing bowl add the butter , granulated sweetener, egg, baking powder vanilla extract and the salt and blend with a handheld blender for 2 minutes on medium speed.
Add coconut flour and glucomannan and blend until combined.
Allow the dough to sit for 5 minutes.
If it is sticky or not firm, add another ½ tsp of glucomannan.
Place between sheets of parchment paper and roll out to desired thickness.
Use cookie cutters and cut desired shapes and place on cookie sheet and bake for 8 minutes.