Preheat oven to 350 degrees and line a baking sheet with parchment paper or silpat.Stir melted butter, coconut, and Perfect Keto vanilla collagen in a medium sized bowl.
Mix well.In a large bowl or stand mixer, whip egg for 30-45 seconds.
Add sweetener, milk, and vanilla extract.
Mix on high until light and fluffy.
Add coconut mixture and stir gently to combine.Portion and divide cookies onto prepared baking sheet.
Bake for 8-10 minutes until golden brown on the bottoms and edges.