In a large bowl, combine shredded coconut, almond flour, coconut flour, baking powder, and salt until evenly mixed
Add unsweetened peanut butter, melted coconut oil, powdered erythritol, sweetener, and vanilla extract to the dry ingredients
Mix thoroughly until a dough forms and ingredients are fully incorporated
Press the dough into a lined baking pan to form an even layer
Melt sugar-free chocolate chips in a double boiler or microwave until smooth
Pour the melted chocolate over the pressed dough and spread evenly with a spatula
Place the pan in the refrigerator or freezer until the bars are fully set and firm
Once set, cut into individual bars of desired size
Store bars in an airtight container until ready to enjoy