Preheat oven to 325 degrees.
Line baking sheet with parchment paper.
In a medium bowl, whisk together coconut butter, tahini, egg, sweetener, and vanilla.
In a separate small bowl, combine almond flour, baking soda, and salt.
Slowly add dry mixture to wet, stirring continuously until dough forms.
Add in chocolate chunks to dough mixture and gently stir until evenly combined.
Roll into 2-inch balls and place on baking sheet.
Use fingers or a wet spoon to press flat into cookie form.
Bake 8-10 minutes or until edges are brown.
Let cool 10 minutes.